Hakim, Nurul, 		Nugraha, Septian, 		Darussalam, Ilham, 		Marlinda, Linda, AND 		Hayuningtyas, Ratih.
" POSYANDU LANSIA ONLINE" <em>Journal of Information System, Applied, Management, Accounting and Research</em> [Online], Volume 4 Number 4 (17 November 2020)