Indriani, and Teguh Aris Munandar. “Relationship Between Sleep Quality and Physical Activity: A Crossectional Study in the Elderly Community of Sanden Health Center, Yogyakarta”. Informasi dan Promosi Kesehatan 3, no. 2 (December 31, 2024): 276–288. Accessed February 28, 2026. https://e-journal.saku.co.id/index.php/IPK/article/view/271.