Zamzam, Kenys Fadhilah, and Ririn Dwi Agustin. “Development of Teaching Modules in Improving Mathematical Critical Thinking Skills Based on Problem-Based Learning”. Al-Fikru : Jurnal Pendidikan Dan Sains 5, no. 2 (January 18, 2025): 291–299. Accessed August 2, 2025. https://ejournal.unzah.ac.id/index.php/alfikru/article/view/1976.