Habibie ZR, Avana N, Sundahry S. MATHEMATICS LEARNING WITH POLYA’S HEURISTIC STRATEGY TO IMPROVE STUDENTS’ CRITICAL THINKING ABILITY. j.tunas.pendidik [Internet]. 2022 Mar. 7 [cited 2024 Jul. 2];4(2):222-34. Available from: https://ejournal.ummuba.ac.id/index.php/pgsd/article/view/730