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This chapter provides a deep dive into the theory, research, and models of tacit and explicit knowledge. The authors describe knowledge flows and knowledge creation in an organization. The authors introduce Polanyi’s and Nonaka–Takeuchi’s definitions and describe Ermine’s structural model of tacit and explicit institutional knowledge capital and explicit organizational knowledge capital. Tacit and explicit knowledge are explained as organizational knowledge capital. The organizational knowledge model is presented. The chapter also describes tacit knowledge as organizational knowledge capital. Finally, the chapter addresses mapping the AIK system. The AIK model has three components, including: (1) a network of actors or knowledge community (A); (2) an information subsystem (I); and (3) the knowledge capital (K) in the system.

This chapter provides an in-depth explanation and description of each of the six models of the MASK framework. The authors explain how each model represents a type of knowledge that is critical to creating a holistic representation of a topic. The chapter provides an overview of the six types of knowledge represented in the models. It speaks to the challenge of recognizing and describing the underlying types of knowledge and offers use case examples to illustrate the knowledge.

This study focuses on exploring charismatic leadership within Lebanese Information Technology (IT) small and medium-sized enterprises (SMEs) and its influence on productivity. Through an in-depth analysis of the charismatic qualities and behaviors exhibited by leaders in these organizations, this research aims to delineate how such attributes may shape productivity levels. This study aims to deepen our understanding of leadership dynamics within the context of Lebanese IT SMEs, providing essential insights that can contribute to the enhancement of organizational performance and success.

This fundamental research used a quantitative approach and a purposive sampling method to select 342 Lebanese IT SMEs for primary data collection through a survey. Statistical regression analysis was then applied to treat the collected data.

The findings of this study reveal a positive correlation between charismatic leadership and increased innovation behavior among group or board members. This correlation can be strengthened by fostering a sense of ownership toward innovation and by ensuring a healthy work-life balance. Furthermore, the creation of an environment that emphasizes open communication and trust can enhance this correlation.

The implications of these findings are significant for organizations seeking to enhance their innovation capabilities. They suggest that investing in the development of charismatic leadership skills can be a valuable strategy for fostering innovation and creativity.

This study offers a unique and practical assessment of the role that charismatic leadership plays in maintaining resilient firm structures, especially during periods of political and economic instability.

Dual design for additive manufacturing (DfAM) takes into account both the opportunities and constraints of AM simultaneously, which research shows is more effective than considering them separately. Unlike existing reviews, this paper aims to map DfAM research within the engineering design process, focusing solely on studies adopting dual DfAM. Additionally, it aims to suggest future research directions by analysing prominent research themes and their inter-relationships. Special emphasis is on theme inter-relationships concerning the conceptual, embodiment and detail design phases.

The study is based on a systematic literature review of 148 publications from January 2000 to February 2024. After screening, prominent research themes were identified and systematically analysed. Theme inter-relationships were explored using quantitative analysis and chord diagrams.

The findings reveal that studies either span the entire design process, the early design phases or the later design phases. Most research focuses on the later design phases, particularly within themes of design optimisation, design evaluation and AM-specific manufacturing constraints. The most frequent theme inter-relationship occurs between design optimisation and AM-specific manufacturing constraints. Overall, the findings suggest future research directions to advance dual DfAM research, such as development of design rules and guidelines for cellular structures.

This review proposes a model by mapping prominent themes of dual DfAM research in relation to the engineering design process. Another original contribution lies in analysing theme inter-relationships and visualising them using chord diagrams – a novel approach that did not exist before.