NADHIIFAH, Maqoosidhan; MAGHFIROH, Lailatul. Pengaruh Model Pembelajaran Problem Based Learning Berbantu Media Kantong Perkalian Terhadap Pemahaman Konsep Matematika Kelas II MI Islamiyah Sumberwudi. AJER: Advanced Journal of Education and Religion, [S. l.], v. 3, n. 1, p. 21–27, 2026. DOI: 10.52166/ajer.v3i1.12328. Disponível em: https://ejournal.unisda.ac.id/index.php/AJER/article/view/12328. Acesso em: 4 jun. 2026.