Wahyuningsih, S. K. “THE ANALYSIS OF ELEMENTARY TEACHER EDUCATION DEPARTMENT OF STAIN GAJAH PUTIH STUDENTS’ ENGLISH PROFICIENCY”. Jurnal As-Salam, vol. 1, no. 3, Dec. 2017, pp. 152-6, https://www.jurnal-assalam.org/index.php/JAS/article/view/91.