Nadeem, K., M. A. Khan, M. N. Imtiaz, and Y. Iftikhar. “Turnover Intention and Perceived Organizational Support; Mediating Role of Work Engagement and Organizational Commitment”. European Scientific Journal, ESJ, Vol. 15, no. 10, Apr. 2019, p. 222, doi:10.19044/esj.2019.v15n10p222.