CAHYANINGRUM, Tri; WIDYANTORO, Agus. Effect of project-based learning and problem-based learning on the students’ writing achievement. LingTera, [S. l.], v. 7, n. 1, p. 72–83, 2020. DOI: 10.21831/lt.v7i1.13700. Disponível em: https://journal.uny.ac.id/index.php/ljtp/article/view/13700. Acesso em: 22 may. 2025.