KHADKA, Chetan. The Psychology of Altruism: Insights from Evolutionary and Social Psychology. Namuna Academic Journal, [S. l.], v. 3, n. 1, p. 75–91, 2025. DOI: 10.3126/naj.v3i1.76673. Disponível em: https://www.nepjol.info/index.php/naj/article/view/76673. Acesso em: 7 dec. 2025.