CINDI SAFITRA SARAGIH. PENGEMBANGAN BAHAN AJAR MATEMATIKA BANGUN DATAR BERBASIS PROBLEM BASED LEARNING PADA SISWA KELAS III SEKOLAHD ASAR. ALFIHRIS : Jurnal Inspirasi Pendidikan, [S. l.], v. 1, n. 3, p. 18–29, 2023. DOI: 10.59246/alfihris.v1i3.251. Disponível em: https://ejurnalqarnain.stisnq.ac.id/index.php/ALFIHRIS/article/view/251. Acesso em: 23 nov. 2024.