Guritno, Agung. “MEASURING ENGLISH PROFICIENCY OF INDONESIAN BANKS’ FRONT-LINERS”. English Education:Journal of English Teaching and Research 5, no. 2 (October 29, 2020): 103-110. Accessed July 8, 2024. https://ojs.unpkediri.ac.id/index.php/inggris/article/view/14985.