“THE EFFECTIVENESS OF BRAIN GYM AND MEMORY GAMES NURSING THERAPY ON THE COGNITIVE ABILITIES OF THE ELDERLY AT THE ELDERLY POSYANDU, SIDOSERMO COMMUNITY HEALTH CENTER, SURABAYA”, a.a, vol. 3, no. 1, pp. 20–32, Mar. 2026, Accessed: Mar. 29, 2026. [Online]. Available: https://e-journal.aipviki.org/index.php/anji/article/view/172