SUTRISNA, Gede; LUH PUTU ARTINI. Does Problem-Based Learning Affect Students’ Speaking Skill and Attitude toward ELL?. RETORIKA: Jurnal Ilmu Bahasa, [S. l.], v. 6, n. 2, p. 131–138, 2020. DOI: 10.22225/jr.6.2.2020.131-138. Disponível em: https://www.ejournal.warmadewa.ac.id/index.php/jret/article/view/2315. Acesso em: 16 jan. 2026.