Syahara Lubis, Elvi, and Dedy Juliandri Panjaitan. “The Impact of Polyya’s Problem-Solving Technique on Mathematical Problem-Solving Ability”. Edumaspul: Jurnal Pendidikan 9, no. 2 (October 1, 2025). Accessed April 5, 2026. https://jurnal.unimen.cloud/index.php/maspuljr/article/view/8956.