AKBAR GINANDAR; DWIYANI PRATIWI. Improving the Students’ Speaking Ability Through Problem-Based Learning at SMK Negeri 2 Malinau : A Classroom Action Research. International Journal of Studies in International Education, [S. l.], v. 2, n. 4, p. 123–133, 2025. DOI: 10.62951/ijsie.v2i4.448. Disponível em: https://international.aripi.or.id/index.php/IJSIE/article/view/448. Acesso em: 7 jan. 2026.