DEVIRITA, Fitria; NEVIYARNI, Neviyarni; DAHARNIS, Daharnis. Pengembangan Buku Ajar Berbasis Problem Based Learning di Sekolah Dasar. Jurnal Basicedu, [S. l.], v. 5, n. 2, p. 469–478, 2021. DOI: 10.31004/basicedu.v5i2.680. Disponível em: https://jbasic.org/index.php/basicedu/article/view/680. Acesso em: 17 sep. 2025.