Setiasih, Adi Satria Indramawan, and Xuejiao Chen. “Individual Well-Being of the Elderly in Surabaya–Indonesia and Hangzhou–China”. ANIMA Indonesian Psychological Journal 29, no. 1 (October 1, 2013): 56-61. Accessed July 22, 2024. https://journal.ubaya.ac.id/index.php/jpa/article/view/4128.