Dewi Kusumayati, Lusiana. “EVALUATING ENGLISH TEXTBOOK CURRENTLY IN USE AT ‘ENGLISH BITES’ (ENGLISH EXTRACURRICULAR PROGRAM EXISTED IN CIVIL AVIATION POLYTECHNIC OF SURABAYA)”. Jurnal Penelitian 6, no. 4 (January 3, 2022): 247–255. Accessed May 11, 2025. https://ejournal.poltekbangsby.ac.id/index.php/jurnalpenelitian/article/view/814.