Development of Two-Dimentional Geometry Module based on APOS Theory for 4th Grader Students. EduMa: Mathematics education learning and teaching, [S. l.], v. 11, n. 1, p. 97–108, 2022. DOI: 10.24235/eduma.v11i1.10386. Disponível em: https://journal1.uinssc.ac.id/index.php/eduma/article/view/10386. Acesso em: 10 jun. 2026.