THE EFFECT OF PROBLEM-BASED LEARNING ON EFL STUDENTS’ ACHIEVEMENT AND CRITICAL THINKING SKILLS: AN EXPERIMENTAL STUDY. Guruku: Jurnal Pendidikan Profesi Guru, [S. l.], v. 4, n. 2, p. 79–97, 2025. DOI: 10.19109/guruku.v4i2.28079. Disponível em: https://jurnal.radenfatah.ac.id/index.php/guruku/article/view/28079.. Acesso em: 7 jun. 2025.