ABDOULMATLAB JASEM, Rim; TORKAN, Hajar; MARED JABR, Adnan; MAHDAD, Ali. The Mediating Role of Psychological Capital in the Relationship Between Academic Self-Efficacy, Academic Engagement, and Academic Meaningfulness with Academic Achievement Among Students in Wasit, Iraq. Journal of Adolescent and Youth Psychological Studies (JAYPS), [S. l.], v. 6, n. 3, p. 1–11, 2025. DOI: 10.61838/kman.jayps.6.3.1. Disponível em: https://www.journals.kmanpub.com/index.php/jayps/article/view/1077.. Acesso em: 5 dec. 2025.