AL HAKIM, R. R.; NASUTION, E. K. Psychological stressor caused alpha-male non-human-primate Macaca fascicularis to become agonistic when struggling over food. Journal of Psychological Perspective, Lampung, v. 3, n. 1, p. 41–45, 2021. DOI: 10.47679/jopp.311152021. Disponível em: https://www.ukinstitute.org/journals/jopp/article/view/3107. Acesso em: 3 nov. 2026.