KUSWOYO; TENTAMA, F. .; MUHOPILAH, P. . Altruism Scale: A Psychometric Study for Junior High School Student. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 51, n. 2, p. 208–219, 2020. Disponível em: https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/10818. Acesso em: 30 apr. 2024.