Jalwa Javed, et al. “The Impact of Psychological Capital on Job Performance, Work Engagement, and Organizational Citizenship Behavior: The Moderating Role of Perceived Organizational Support”. Policy Journal of Social Science Review, vol. 4, no. 3, Mar. 2026, pp. 998-1013, https://policyjssr.com/index.php/PJSSR/article/view/873.