Kholid MFN, Utamie ZR, Hastomo T. COLLABORATIVE LEARNING: A STRATEGY FOR IMPROVING STUDENTS’ SPEAKING SKILL. LJLAL [Internet]. 2022 Jan. 14 [cited 2026 Mar. 16];4(1):23-8. Available from: https://openjournal.unpam.ac.id/index.php/LJLAL/article/view/19064