Yarmi, Gusti, Yustia Suntari, Herlina Usman, and Yesi Yesi. “Need Analysis of Mobile Learning Based on Problem Based Learning for Elementary School Student”. JTP - Jurnal Teknologi Pendidikan 26, no. 2 (August 31, 2024): 507-516. Accessed September 27, 2024. https://journal.unj.ac.id/unj/index.php/jtp/article/view/47170.