Irawati, Irawati, Nizlel Huda, and Sandra Adji. “EFFECTIVENESS OF PBL-BASED MOBILE LEARNING TO IMPROVE STUDENTS’ CRITICAL THINKING SKILLS”. Jurnal Pendidikan Matematika (JUPITEK) 5, no. 2 (December 31, 2022): 160-166. Accessed May 3, 2024. https://ojs3.unpatti.ac.id/index.php/jupitek/article/view/7143.