Al Kayyis, A., Tohir, M., & Muhasshanah, M. (2024). The urgency of Polya model problem-solving on students mathematical ability in facing the Industrial Revolution 5.0. Alifmatika: Jurnal Pendidikan Dan Pembelajaran Matematika, 6(2), 218–231. https://doi.org/10.35316/alifmatika.2024.v6i2.218-231