Zahra, M., D. M. H. Kee, . S. S. . Teh, and . G. D. . Paul. “PSYCHOLOGICAL CAPITAL IMPACT ON EXTRA ROLE BEHAVIOUR VIA WORK ENGAGEMENT: EVIDENCE FROM THE PAKISTANI BANKING SECTOR”. International Journal of Banking and Finance, vol. 17, no. 1, Dec. 2021, pp. 27 -, doi:10.32890/ijbf2022.17.1.2.