Khotimah, Nurul, Gunardo Gunardo, Anik Ghufron, Sri Sugiharti, and Kanthi Aryekti. “LANJUT USIA (LANSIA) PEDULI MASA DEPAN DI DAERAH ISTIMEWA YOGYAKARTA”. Geomedia Majalah Ilmiah dan Informasi Kegeografian 14, no. 2 (April 26, 2017). Accessed August 25, 2025. https://jurnal.uny.ac.id/index.php/geomedia/article/view/13815.