a Content analysis on think globally act locally english texbook in curriculum 2013 for the ninth grade students of junior high school published by Kementrian Pendidikan Dan Kebudayaan Republik Indonesia - Heru Evry Yanto (Jurusan Pendidikan Bahasa Inggris Fakultas Ilmu Tarbiyah dan Keguruan IAIN Surakarta, 2016)