“Pengaruh Training Kognitif Terhadap Kemampuan Kognitif Pada Lansia Di Desa Sobokerto Kecamatan Ngemplak Boyolali”. Interest : Jurnal Ilmu Kesehatan 7, no. 2 (November 1, 2018): 206–210. Accessed January 20, 2026. https://jurnalinterest.com/index.php/int/article/view/43.