KHOFIFAH, K.; ROSYADI, R.; GUNADI, F.; NANDANG, N.; RUNISAH, R. Students’ Difficulties In Solve Trigonometry Problem Solving According To Step Polya’s. Mathline : Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 9, n. 3, p. 919–946, 2024. DOI: 10.31943/mathline.v9i3.571. Disponível em: https://mathline.unwir.ac.id/index.php/Mathline/article/view/571. Acesso em: 14 oct. 2024.