KARBALAEIPOUR , Hengameh; BENISI, Parinaz; JOMEHRI , Farhad; NASROLLAHI , Bita. A Study on the Structural Relationship between Psychological Capital and Mental Toughness: Mediating Role of Ambiguity Tolerance with Happiness. Applied Family Therapy Journal (AFTJ) , [S. l.], v. 2, n. 1, p. 220–243, 2023. DOI: 10.61838/kman.aftj.2.1.12. Disponível em: https://www.journals.kmanpub.com/index.php/aftj/article/view/431.. Acesso em: 5 dec. 2025.