Amin AM, Siska A, Wigati T, Kusumawardani R. PENINGKATAN HASIL PEMECAHAN MASALAH MATEMATIKA MELALUI MODEL PROBLEM BASED LEARNING BERBANTUAN ALAT PERAGA RODA PUTAR PADA SISWA KELAS II SD. psnppg [Internet]. 2023 Nov. 30 [cited 2025 Apr. 8];1(2):3070-9. Available from: https://conference.upgris.ac.id/index.php/psnppg/article/view/5470