Huvaid, S. U. ., H. . Hidayat, and Yulianita. “Revitalization of Posyandu for the Elderly in Nagari Tapakis, Padang Pariaman Regency”. International Journal of Medical Science and Clinical Invention, vol. 9, no. 03, Mar. 2022, pp. 6023-8, doi:10.18535/ijmsci/v9i03.09.