Syafrina, E., and A. Arono. “FEATURES OF ENGLISH TEXTBOOKS FOR THE FIRST-YEAR OF SENIOR HIGH SCHOOL IMPLEMENTING THE 2013-CURRICULUM”. JOALL (Journal of Applied Linguistics and Literature), vol. 2, no. 2, Dec. 2017, pp. 1-13, doi:10.33369/joall.v2i2.5950.