SRI WULANDARI, R.; HASTINI, H. The Use of Problem Based Learning In Developing Writing Skills of Grade VII Students of MTS Al-Khairaat Tondo. Journal of General Education and Humanities, Bandung, Indonesia, v. 3, n. 2, p. 133–142, 2024. DOI: 10.58421/gehu.v3i2.215. Disponível em: https://journal-gehu.com/index.php/gehu/article/view/215. Acesso em: 10 nov. 2025.