[1]
A. F. Akbar, N. K. Dewi, and Radiusman, “Pengaruh Model Problem Based Learning (PBL) Berbantuan Geoboard terhadap Pemahaman Konsep Bangun Datar Siswa Sekolah Dasar”, JAR, vol. 5, no. 2, pp. 2619–2628, May 2026, doi: 10.36312/2b81sz17.