Putrawansyah. “Cultural Altruism in Action: Empathy and Collectivism As Predictors of Volunteerism in Indonesian Disaster Response”. Psychosocia : Journal of Applied Psychology and Social Psychology 2, no. 3 (July 25, 2024): 124–134. Accessed November 6, 2025. https://journal.idscipub.com/index.php/psychosocia/article/view/815.