PENGARUH MODEL PEMBELAJARAN PROBLEM BASED LEARNING BERBANTUAN EDMODO TERHADAP HASIL BELAJAR MATEMATIKA. Widyadari, [S. l.], v. 20, n. 1, 2019. Disponível em: https://ojs.mahadewa.ac.id/index.php/widyadari/article/view/386. Acesso em: 9 sep. 2025.