Dela Puspita, Hidayat, Dwi Novita Sari and Asnarni Lubis (2026) “The Effect of the Problem-Based Learning Model on the Mathematical Creative Thinking Ability of Seventh-Grade Students of Private Middle School Karya Pembangunan Deli Tua”, Journal on Math and Science Educational Technology, 2(1). Available at: https://eduresearch.web.id/index.php/jmset/article/view/101 (Accessed: 31 August 2026).