Mawarni, Ari, Muhammad Halim Munandar, Kasinyo Harto, and Ermis Suryana. “Education in The Period of Adult Development and Its Implications on Education”. Cetta: Jurnal Ilmu Pendidikan 5, no. 3 (September 17, 2022): 235–252. Accessed January 26, 2026. https://upgradeojs.penerbit.org/index.php/cetta/article/view/1841.