Saragih, Rosita, 		Tampubolon, Pretty, AND 		Hura, Rema.
" GAMBARAN PERSONAL HYGIENE LANSIA DI PUSAT PELAYANAN ORANGTUA SEJAHTERA (PPOS) GBKP DESA SUKAMAKMURKECAMATAN SIBOLANGIT" <em>JURNAL DARMA AGUNG HUSADA</em> [Online], Volume 10 Number 2 (20 October 2023)