Dewi Kusumayati, L. . (2022) “EVALUATING ENGLISH TEXTBOOK CURRENTLY IN USE AT ‘ENGLISH BITES’ (ENGLISH EXTRACURRICULAR PROGRAM EXISTED IN CIVIL AVIATION POLYTECHNIC OF SURABAYA)”, Jurnal Penelitian, 6(4), pp. 247–255. doi: 10.46491/jp.v6i4.814.