Predictors of Organizational Citizenship Behaviors (OCB), The Moderating and Mediating Roles of Mentoring and Perceived Organizational Support in The Power Holding Company (PHCN) of Nigeria. gbmr. 2022;2(2):1-27. Accessed May 30, 2026. https://e-journal.uum.edu.my/index.php/gbmr/article/view/16871