Nur Arifah, Mir’atun, Moh. Mizan Habibi, M. Hajar Dewantoro, Siti Afifah Adawiyah, and Sri Haningsih. “Platform on Online Learning for Students With Mental Retardation”. KnE Social Sciences 7, no. 10 (July 5, 2022): 236-247. Accessed April 30, 2024. https://knepublishing.com/index.php/KnE-Social/article/view/11362.