Evaluation of the student learning preparation program in obtaining the DELF A2 French Language Certificate for high school students: the csf-ucla approach. JISIP [Internet]. 2025 Nov. 1 [cited 2026 Sep. 24];9(4):1705-18. Available from: https://ejournal.mandalanursa.org/index.php/JISIP/article/view/9134