Mahendra Halim, Ilham, Wati Susilawati, and Hamdan Sugilar. “Mathematical Problem Solving Through Mobile Learning Development Based on Assemblr Edu”. KnE Social Sciences 9, no. 13 (April 26, 2024): 1096–1108. Accessed May 19, 2024. https://knepublishing.com/index.php/KnE-Social/article/view/16035.