Syahara Lubis E, Juliandri Panjaitan D. The Impact of Polyya’s Problem-Solving Technique on Mathematical Problem-Solving Ability. edumaspuljr [Internet]. 2025Oct.1 [cited 2026Apr.5];9(2). Available from: https://jurnal.unimen.cloud/index.php/maspuljr/article/view/8956