MAYSAROH, E.; SUTARNI, S. Improving Students’ Ability to Solve HOTS-Based Mathematics Problems with Problem-Solving Theory from Polya. Vygotsky: Jurnal Pendidikan Matematika dan Matematika, [S. l.], v. 5, n. 2, p. 91–100, 2023. DOI: 10.30736/voj.v5i2.738. Disponível em: https://jurnalpendidikan.unisla.ac.id/index.php/VoJ/article/view/738. Acesso em: 3 jul. 2024.