DARRIN A. AN ANALYSIS OF ENGLISH TEXTBOOK FOR FIRST GRADERS OF SENIOR HIGH SCHOOL “BAHASA INGGRIS UNTUK SMA/MA DAN SMK/MAK KELAS X” PUBLISHED BY PUTRA NUGRAHA AND USED IN SMAN 18 SURABAYA BASED ON BASIC COMPETENCES OF CURRICULUM 2013. RT [Internet]. 24Jan.2014 [cited 21May2024];2(1). Available from: https://ejournal.unesa.ac.id/index.php/retain/article/view/6663