Yahya, Q. N. Q., Purwaningsih, P., Purwaningsih, P., Makhfudli, M., & Makhfudli, M. (2020). Influence of Cognitive Stimulation Group Activity Memory Game Therapy on Elderly Cognitive Function: Quasi-Experimental. Jurnal Ners, 14(3), 242–246. https://doi.org/10.20473/jn.v14i3.17111