H. Karbalaeipour, P. Benisi, F. Jomehri, and B. Nasrollahi, “A Study on the Structural Relationship between Psychological Capital and Mental Toughness: Mediating Role of Ambiguity Tolerance with Happiness”, AFTJ, vol. 2, no. 1, pp. 220–243, Oct. 2023, Accessed: Jul. 07, 2024. [Online]. Available: https://journals.kmanpub.com/index.php/aftj/article/view/431