Yusuf, Arba’iyah. “Long Life Education_Belajar Tanpa Batas: Long Life Education_Learn Without Limits”. Pedagogia : Jurnal Pendidikan 1, no. 2 (June 29, 2012): 111–130. Accessed September 5, 2025. https://pedagogia.umsida.ac.id/index.php/pedagogia/article/view/1306.