Syamsuddin, Syamsuddin. “PENINGKATAN KEBERFUNGSIAN SOSIAL LANJUT USIA MELALUI PROGRAM PELATIHAN KEMBALI”. Sosio Informa 4, no. 2 (August 24, 2018). Accessed September 19, 2024. https://ejournal.poltekesos.ac.id/index.php/Sosioinforma/article/view/1518.