Durrah, Omar, Adnan Al-Tobasi, Ashraf A’aqoulah, and Moinuddin Ahmad. “The Impact of the Psychological Capital on Job Performance: A Case Study on Faculty Members at Philadelphia University”. International Review of Management and Marketing 6, no. 2 (April 17, 2016): 183–191. Accessed November 15, 2024. https://econjournals.com./index.php/irmm/article/view/1964.