1.
Cindi Safitra Saragih. PENGEMBANGAN BAHAN AJAR MATEMATIKA BANGUN DATAR BERBASIS PROBLEM BASED LEARNING PADA SISWA KELAS III SEKOLAHD ASAR. ALFIHRIS [Internet]. 2023 Apr. 12 [cited 2024 Jul. 7];1(3):18-29. Available from: https://ejurnalqarnain.stisnq.ac.id/index.php/ALFIHRIS/article/view/251