AKBAR, Ahmad Faizul; DEWI, Nurul Kemala; RADIUSMAN. Pengaruh Model Problem Based Learning (PBL) Berbantuan Geoboard terhadap Pemahaman Konsep Bangun Datar Siswa Sekolah Dasar. Journal of Authentic Research, [S. l.], v. 5, n. 2, p. 2619–2628, 2026. DOI: 10.36312/2b81sz17. Disponível em: https://journal-center.litpam.com/index.php/jar/article/view/5122. Acesso em: 29 jul. 2026.