Chairil, -, and - Hardiana. 1930. “GAMBARAN PERILAKU PERSONAL HYGIENE PADA LANSIA DI UPT PSTW KHUSNUL KHOTIMAH PEKANBARU”. Photon: Jurnal Sain Dan Kesehatan 8 (01), 29-36. https://doi.org/10.37859/jp.v8i01.524.