Muhammad Ali, et al. “Examining the Impact of Managerial Coaching on Employee Job Performance: Mediating Role of Work Engagement, Leader-Member-Exchange Quality, Job Satisfaction, and Turnover Intentions”. Pakistan Journal of Commerce and Social Sciences, vol. 12, no. 1, Mar. 2018, pp. 253-82, https://jes.ac.pk/index.php/jes/article/view/287.