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Sustainability, responsible travel and ecotourism have gained popularity in recent years, forcing all stakeholders to consider their environmental impact. This analysis identifies tourist-harming acts and acknowledges tourism stakeholders like tourism firms, local communities and travellers' efforts to maintain and protect nature. Tourism stakeholders' care for their natural environment might impact the success of a destination's sustainable and ecotourism operations. Responsible tourism does not tolerate green washing. Sustainability is complicated, and sustainable tourism (ST) has numerous components, making it hard to identify responsible travel for tourist sustainability. Thus, tourism stakeholders' opinions and challenges must be considered. After COVID-19, everything is back to normal. It is critical to understand how relevant parties can promote ethical travel in ecological destinations. This will ensure that tourism meets local needs and protects natural and cultural resources. Therefore, stakeholders must be considered, and any issues that arise must be addressed. To protect the environment, responsible travel needs more than a campaign or a few little actions. How to build ethical journeys for and from all tourist stakeholders, especially in an ecological destination, is a hard and long-debated subject. This chapter highlighted the main stakeholders' viewpoints and concerns with responsible travel for tourism sustainability. For stakeholders to recognise the success of tourism sustainability, they must understand responsible travel. The authors asked the three primary stakeholders about their perspectives and the steps they needed to take to address the challenges. Understanding changing attitudes to willingly modify behaviour and influence habits, among other things, is crucial for promoting meaningful tourism.

The purpose of this study is to find optimum production parameters using the Taguchi method in terms of printing material (a composite material produced from polylactic acid [PLA] and polypropylene [PP]) impacts on wear and friction.

A composite filament coil was fabricated from PLA and PP pellets using a lab-based extrusion device. The hardness and chemical structure of the filaments were examined. The filament-based material extrusion process was used to produce cylindrical shapes for tribological (pin-on-disc) analyses. Moreover, Taguchi methodology was performed to find the most influential parameter on tribological characteristics.

The hardness (Shore D) values of the filaments were polylactic acid (PLA) (85), polypropylene (PP) (58) and PLA and PP mixture of 50:50 (PLAPP) (63). Fourier-transform infrared spectroscopy (FTIR) and thermogravimetric analysis results show that PLA and PP mixtured successfully. The diameter deviation of all samples was found as lower than 5%. The honeycomb pattern presented the best dimensional accuracy. Changing printing patterns and temperatures affect the friction profile. Coefficient of friction (COF) values of cylindrical samples of PLA and PP samples around 0.35 and 0.31, respectively. Overall, material type for wear resistance applications is a key point.

To the best of the author’s knowledge, there seems to be a lack of 3D-printed PP and PLAPP studied in terms of tribological aspects as a neat polymer. The tribological profiles of PP, PLA and PLAPP (PLA and PP mixture of 50:50) were investigated in this study. The author believe that this is a preliminary study that might close the gap and add some novel information to the current literature.

This study aimed to examine the impact of learning organization (LO) on job satisfaction and individual performance in Vietnamese enterprises. The study further explores the mediating effect of job satisfaction on the relationship between learning organization and employee performance.

Data were collected from 653 employees from various types of organizations in Vietnam. Structural equation modeling was implemented to test the hypotheses.

The results revealed that the proposed research model was supported. Results indicated that LOs positively influenced employees’ job satisfaction and the broader range of their individual performance. In addition, employees’ job satisfaction motivated them to achieve higher performance levels. The study also found a mediating effect of job satisfaction on the relationship between LO and employee performance. The results underscore the importance of implementing an LO culture for individual outcomes such as job satisfaction and employee performance in the Vietnamese cultural context, which is based on socialism and Confucianism.

To the best of the authors’ knowledge, this is the first study to examine the relationships among LO, job satisfaction and individual employee performance in the Vietnamese context. The results offer a deeper understanding of the LO concept in the Vietnamese cultural context and highlight the cultural impact on the LO concept and its effects. The results suggest how the LO concept is applied in the Vietnamese context.