SHAZIA SHAHZADI. Happiness and Academic Achievement among University Students in Pakistan: A Hierarchical Regression Analysis. Pakistan Journal of Positive Psychology, [S. l.], v. 3, n. 7, p. 84–92, 2026. DOI: 10.67785/pjpp.7.334. Disponível em: https://pjpp.org/index.php/pjpp/article/view/334. Acesso em: 9 oct. 2026.