Lestari, Dian ., Rahmad . Husein, and Eddy . Setia. “DEVELOPING ENGLISH SPEAKING MATERIAL THROUGH CBI FOR MARKETING STUDENTS ON VOCATIONAL HIGH SCHOOL”. LINGUISTIK TERAPAN 17, no. 3 (January 9, 2021): 212–224. Accessed July 27, 2025. https://jurnal.unimed.ac.id/2012/index.php/LTBI/article/view/22457.