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The purpose of this paper is to develop a method for evaluating the sustainable performance of corporate boards using the balanced scorecard approach. Also, the paper aims to determine the need and relevance of the proposed method in the evaluation process by testing the differences in the relative importance of the proposed method measures on a sample of the Egyptian manufacturing companies.

Data were collected using a questionnaire list and personal interviews with three different population samples: board members, managers of manufacturing companies and financial analysts in brokerage firms. The Wilcoxon signed rank test was used to test the degree of approval on the related questions, and the Kruskal–Wallis test was used to test the differences among the responses of the three samples.

The results of the statistical analysis indicate that there is a need for companies to have an effective tool to evaluate the board performance, and that the proposed method is a suitable tool for the evaluation. Also, the results indicate that there are differences in the relative importance of the performance measures among the three samples.

The exploratory study focused on a sample of manufacturing companies only. Accordingly, service companies and financial institutions are outside the scope of this research. There was difficulty in accessing a sample of shareholders; instead, this sample was replaced by a group of financial analysts in brokerage firms.

The proposed method adds to the performance evaluation literature with regard to measuring and evaluating the performance of boards. The study provides an empirical evidence of the need to use the balanced scorecard in the board evaluation and its relevance for the evaluation process. It provides a short guide to the most important performance measures to be used in the evaluation process of the company’s board of directors.

Few studies have focused on evaluating the performance of the board of directors using the balanced scorecard. This study is an important attempt to evaluate the sustainable performance of the board of directors using the balanced scorecard by taking into consideration the corporate social responsibility perspective. The proposed board’s balanced scorecard provides a useful tool to evaluate the performance of boards using objective, specific and clear measures.

The purpose of this numerical paper is to investigate the simulation of an unsteady double diffusive natural convection in square enclosure filled with a porous medium with various boundary conditions in the presence of thermal radiation and chemical reaction effects.

In this study, the governing dimensionless equations were written using the Brinkman Forchheimer extended Darcy model. They are numerically solved by using finite difference method by applying adiabatic boundary condition in top surface. The bottom surface is maintained at uniform temperature and concentration and left and right vertical walls are cooled.

Results are presented by streamlines, isotherms, temperature and concentration contours profiles as well as the local Nusselt number and Sherwood numbers for different values of the governing parameters such as Darcy number, buoyancy ratio, Rayleigh number, thermal radiation parameter and chemical reaction parameter. It is found that that both of the local Nusselt and Sherwood numbers increase as the Rayleigh number, buoyancy ratio and Darcy number increase. Moreover, increasing the thermal radiation effects leads to a pronounced increase in the local Nusselt number, while the opposite behavior is displayed by the local Sherwood number. Furthermore, the local Sherwood number increases and the local Nusselt number decrease when the chemical reaction parameter increase.

The originality of this study is the square cavity with various boundary conditions filled with a porous medium with thermal radiation and chemical reaction effects.

The purpose of this paper is to deal with unsteady double diffusive natural convection in a square enclosure filled with a porous medium with various boundary condition effects in the presence of heat source or sink.

Finite difference method was employed to solve the dimensionless governing equations of the problem. The effects of governing parameters, namely, amplitude wave length ratio, dimensionless time parameter, Darcy number, buoyancy parameter and heat generation/absorption parameter on the streamlines, temperature and concentration contours, as well as Nusselt number and Sherwood number, were considered.

The sinusoidal variations of the temperature and concentration remove the singularities which appear in the case of fixed temperature and concentration.

The paper's results are validated by favorable comparisons with previously published results. The results of the problem are presented in graphical and tabular forms and discussed.

This study aims to investigate the relationship between Chief Executive Officer (CEO) characteristics and audit report lag (ARL) in Egypt, an emerging economy characterized by high power distance and a culture of secrecy. The study utilizes a theoretical framework that integrates agency theory, stewardship theory, and upper echelons theory as the foundation for examining this relationship.

The sample consists of 587 firm-year observations from non-financial firms listed on the EGX100, covering the period from 2012 to 2019. The primary variable of the study (ARL) is measured using different proxies. The analysis utilizes both Ordinary Least Squares (OLS) and logistic regression models, with additional analysis considering CEO power and using board gender diversity as a moderating variable.

The study finds that CEO characteristics significantly affect ARL, demonstrating a negative association between CEO ownership, founder status, family ties, duality and ARL. These findings remain robust after a series of tests using alternative measures. Additional analysis reveals that CEO power is negatively and significantly related to ARL. Interestingly, the negative association between CEO characteristics and ARL is more pronounced in boards without female members.

Although extensive research has been conducted on the factors determining ARL, few studies have examined the impact of CEO characteristics on ARL, particularly in emerging economies such as Egypt. The business environment in Egypt is characterized by high power distance and a secretive culture, providing a unique context for this study.

The purpose of this study is to investigate social science academics’ use of social media for scholarly communication at Kuwait University.

Phase One data were collected through web-based and paper responses to questionnaires. Faculty members, teachers and teaching assistants in the social science faculty were invited to participate. Forty-six of the 100 invited participants responded. Phase Two comprised interviews with 10 respondents.

Social connection platforms, such as Twitter and Facebook, received the highest mean score for use (M = 4.35), followed by mobile apps, such as WhatsApp (M = 4.24), and multimedia platforms such as Instagram and YouTube (M = 3.59). Moderate to low use was recorded for academic social media. ResearchGate recorded the highest use (M = 3.09), followed by academia.edu (M = 2.93). “Keeping in touch” was the most frequently reported activity (M = 4.04). Two-thirds of respondents used social media for informal scholarly communication with people they knew. “Lack of university encouragement” received the highest score (M = 3.54) as a factor inhibiting use and almost half the respondents (47.2 per cent) cited “lack of time” as a barrier.

Improving academics’ understanding of the uses of social media might increase their visibility and improve their research and other scholarly activities. Study findings support the development of relevant training programs that include a focus on integrating social media into research activities and the dissemination of research findings.

This study contributes to the limited literature on this topic in Kuwait and the Arabian Gulf region.

The Galerkin finite element method (FEM) based on the characteristic-based split (CBS) scheme is applied to simulate the nanofluid flow and thermal fields inside an inclined geometry filled by a heat-generating hydrodynamically and thermally anisotropic non-Darcy porous medium using the local thermal non-equilibrium model (LTNEM). Property of the hydrodynamic anisotropy is taken in both the Forchheimer coefficient and permeability and these tools are considered as functions of inclination of the principal axes. Also, the thermal conductivity for the porous phase is assumed to be anisotropic.

The Galerkin FEM based on the CBS scheme is applied to solve the partial differential equations governing the flow and thermal fields.

It is noted that the net rate of the heat transfer between the nanofluid and solid phases are influenced by variations of the anisotropic properties. Also, the system is reached to the thermal equilibrium state at H > 100. Further, the maximum nanofluid temperature is reduced by 12.27% when the nanoparticles volume fraction is varied from 0% to 4%.

This paper aims to study the nanofluid flow and heat transfer characteristics inside an inclined enclosure filled with a heat-generating, hydrodynamically and thermally anisotropic porous medium using the CBS scheme. The LTNEM is considered between the nanofluid and porous phases while the local thermal equilibrium model (LTEM) between the base fluid (water) and the nanoparticles (alumina) is taken into account. The Galerkin FEM is introduced to discretize the governing system of equations. Also, examine influences of the anisotropic properties (permeability, Forchheimer terms and thermal conductivity of the porous medium), inclination angle and nanoparticles volume fraction on the net rate of the heat transfer between the nanofluid and porous phases and on the local thermal non-equilibrium state is one of the concerns of this paper.

This study aims to determine the efficiency of three types of essential oils (EOs) as antioxidants on wood pulp paper samples: camphor oil, clove oil and lavender oil. Because of the detrimental influence of the oxidation process on wood pulp paper, this type of paper suffers significant disintegration.

The evaluation methodology is based on scanning electron microscope and three directions laser microscope, the hydrogen ion concentration measurement, color change measurement using the CIELAB system and infrared spectrum analysis, as well as investigating the mechanical properties of paper as represented by tensile and elongation to determine Young’s modulus values.

According to the findings, camphor was an effective antioxidant for paper samples, protecting them from the damaging effects of oxidation and the impact of artificial aging processes while also improving the mechanical properties of paper.

This paper emphasizes the concept of using environmentally friendly materials derived from EOs, owing to their ease of application, lack of environmental impact, distinctive properties, low cost and distinctive properties in both curative and preventive conservation of paper manuscripts.

This study aims to evaluate the state of preservation of one of the most famous manuscripts dated back to the 15th century using some analytical techniques to identify the manuscript components, explain its deterioration mechanisms and produce some solutions for conservation processes in future studies.

The analytical techniques used were visual assessment, digital microscope, scanning electron microscope (SEM) with EDX, pH measurement, attenuated total reflection – Fourier transform infrared spectroscopy (ATR/FTIR) and cellulose crystallinity.

Stains, missed parts and scratching were the most common aspects of deterioration. Some insects were observed by digital microscope. The SEM showed that linen fibers and goat skin were used to manufacture paper sheets and leather binding. Energy dispersive X-ray analysis proved that niobium and tantalum were added during the manufacture of paper sheets. Carbon black ink was the main writing material. The other pigments used were cinnabar in red ink, gold color from brass and blue color from lapis lazuli. FTIR analysis proved that some chemical changes were noticed. Low crystallinity of the historical paper was obtained. There was a reduction in the pH value of the historical bookbinding.

The importance of the analytical techniques used to detect the main components, forms and mechanism of deterioration of the studied manuscript. The elements of niobium and tantalum were added to paper sheets, which protected them from deterioration. The insects such as house flies and Sitophilus granarius were found in the manuscripts.

This paper delves into the traditional ecological knowledge (TEK) and practices of Burj Rashid, an ancient historical city on Egypt’s northern coast, which stands at the meeting point of the Nile’s western branch and the Mediterranean Sea. Burj Rashid boasts a strategic location and rich natural resources and has a long history of relationships between land, people, river, sea and climate change, serving as a model for residents’ adaptation to their ever-changing surroundings.

Climate studies have exposed the village’s vulnerability to climate and topographical hazards such as rising temperatures, shifting weather patterns, decreasing precipitation, encroaching seas due to sea level rise, coastal erosion and high soil salinization. These factors pose a high risk of water scarcity, crop failure in the medium term, potential famine in the long term and declining fish populations, threatening fishing communities. To address these challenges, the Net Zero: Heritage for Climate Action project - launched by the International Centre for the Study of the Preservation and Restoration of Cultural Property (ICCROM) and the First Aid and Resilience for Culture in Times of Crisis program, funded by Swedish Postcode - proposes a research and development methodology through a platform that weaves together heritage knowledge and climate science. The Egyptian Heritage Rescue Foundation has implemented a platform in Burj Rashid as an innovative site to study risks, vulnerabilities and capacities.

The project will explore root causes, identify risk scenarios and establish a stakeholder map to guide the development of mitigation strategies and resilience-building measures.

By harnessing the wisdom of TEK and integrating it with scientific knowledge, the project paves the way for innovative climate change adaptation strategies that ensure the long-term sustainability of Burj Rashid’s unique cultural heritage.

This paper aims to examine the impact of environmental, social and governance (ESG) disclosure and firm value (FV), as well as, pinpoints the role of the audit quality (AQ) as a moderating variable on such impact; where the authors hypothesize that AQ modulates the relationship between ESG disclosure and the FV.

Data of a sample of firms listed on the Egyptian Stock Exchange Market (EGX) were collected over the period of 2017–2021 and analyzed using the regression and 2SLS models.

The results suggested that: (1) the ESG has a significant positive impact on the FV in the EGX, and (2) AQ has a significant impact, as a moderating variable, on the relationship between ESG disclosure and FV.

The findings would help the Egyptian market authorities in realizing the importance of integrating ESG information within the financial reports of the listed firms. The findings could also help in developing effective disclosure procedures to provide shareholders with useful information.

This paper contributes to the literature regarding the ESG disclosure components and the FV value by considering AQ in testing such relationship.