RAHMAWATI, Nur; ASHADI, Ashadi. PROBLEM-BASED ENGLISH SPEAKING MATERIAL TO ENHANCE STUDENTS’ CRITICAL THINKING SKILLS. Jurnal Kependidikan: Penelitian Inovasi Pembelajaran, [S. l.], v. 2, n. 2, p. 285–301, 2018. DOI: 10.21831/jk.v2i2.16965. Disponível em: https://journal.uny.ac.id/index.php/jk/article/view/16965. Acesso em: 9 may. 2025.