SEMBIRING, Iga Marisa; LANDONG , Ahmad; HAFIT, Rizky Ananda; SIREGAR, Ira Amalia; POHAN, Laila Sari; HANUM, Gilda. Pengembangan Bahan Ajar Matematika Materi Bilangan Bulat Menggunakan Model Pbl Terhadap Minat Belajar Siswa Kelas IV SD. Innovative: Journal Of Social Science Research, [S. l.], v. 3, n. 2, p. 12827–12837, 2023. Disponível em: https://j-innovative.org/index.php/Innovative/article/view/1834. Acesso em: 25 apr. 2026.