YAHYANEZHAD, Farshid; MOHARER, Ali. Self –efficacy, academic achievement and happiness. International Journal of Education and Cognitive Sciences, [S. l.], v. 1, n. 3, p. 16–23, 2022. Disponível em: https://www.journalecs.com/index.php/ecs/article/view/15.. Acesso em: 5 jul. 2025.