RahmaniahBona Intan, and Diah Krisnatuti. “The Perception of Ageism, Generativity, and the Attainment of Developmental Tasks of Elderly Widowers and Widows in Bogor, West Java, Indonesia”. Journal of Family Sciences 1, no. 1 (July 1, 2016): 1-12. Accessed May 1, 2024. https://jurnal.ipb.ac.id/index.php/jfs/article/view/10259.