Hakim, Yusuf, and Sujarwo. “The Development of Android-Based Mobile Learning on Materials for Preparation and Proclamation of Indonesian Independence for Class VIII Blind Students at MTs Yaketunis Yogyakarta”. JTP - Jurnal Teknologi Pendidikan 24, no. 1 (April 30, 2022): 93-104. Accessed May 4, 2024. https://journal.unj.ac.id/unj/index.php/jtp/article/view/25314.