MARIANTI, Mariah Sri. Mathematical problem-solving ability of junior high school students on flat-sided geometric shapes. Jurnal Inovasi Pembelajaran Matematika: PowerMathEdu, [S. l.], v. 2, n. 3, p. 309–320, 2023. DOI: 10.31980/pme.v2i3.1767. Disponível em: https://journal.institutpendidikan.ac.id/index.php/pme/article/view/1767. Acesso em: 21 nov. 2024.