Wibowo, Annabela Assyfa. “Altruism in the Volunteer Community: A Case Study of Siaga Peduli Magelang”. Linguistics and Culture Review 6, no. S5 (October 5, 2022): 329-342. Accessed July 4, 2026. http://www.lingcure.org/index.php/journal/article/view/2208.