Yuliana, Widayani. “PENGARUH STIMULASI OTAK TERHADAP TINGKAT KOGNITIF LANSIA DI PANTI WERDHA BHAKTI LUHUR”. JPK : Jurnal Penelitian Kesehatan 7, no. 1 (July 7, 2017): 1–5. Accessed July 10, 2026. https://journal.stikvinc.ac.id/index.php/jpk/article/view/104.