Abdul Wahab, M Wazien Afifi, et al. “Effects of Workload Job Demand and Ineffective Leadership on Offshore Employee Well-Being in Oil and Gas Industry: The Mediating Role of Friend Support”. Journal of Social Transformation and Regional Development, vol. 3, no. 1, June 2021, pp. 64-69, https://publisher.uthm.edu.my/ojs/index.php/jstard/article/view/8038.