Sutisna Putri, Nurrahma, and Eka Indah Nuraini. “Study Buddy: An English Training Program for College Students Who Failed Their English Comprehensive Exam”. KnE Social Sciences 7, no. 7 (March 28, 2022): 177–184. Accessed March 29, 2024. https://knepublishing.com/index.php/KnE-Social/article/view/10661.