Zahra M, Kee DMH, Teh SS, Paul GD. Psychological Capital Impact on Extra Role Behaviour via Work Engagement: Evidence from the Pakistani Banking Sector. IJBF [Internet]. 2021 Dec. 2 [cited 2026 Sep. 28];17(1):27 – 52. Available from: https://e-journal.uum.edu.my/index.php/ijbf/article/view/13697