KHOIRIYAH, Miftakhul Janah; ZAMZAILI, Zamzaili; SUMARDI, Hari. Pengaruh Model Problem Based Learning Terhadap Hasil Belajar Matematika Kelas VIII Materi Bangun Ruang Sisi Datar . Didactical Mathematics, [S. l.], v. 4, n. 2, p. 424–431, 2022. DOI: 10.31949/dm.v4i2.3553. Disponível em: https://ejournal.unma.ac.id/index.php/dm/article/view/3553. Acesso em: 27 apr. 2025.