BAZURI, Ahmad; ARLIANI, Elly. Development of trigonometry module based on PBL that oriented to high school students’ concept of understanding. Jurnal Riset Pendidikan Matematika, [S. l.], v. 9, n. 1, p. 57–69, 2022. DOI: 10.21831/jrpm.v9i1.50119. Disponível em: https://journal.uny.ac.id/index.php/jrpm/article/view/50119. Acesso em: 9 may. 2025.