Yulina, C. A. (2021). AN ANALYSIS ON INDONESIAN ELT TEXTBOOK FOR GRADE XI FROM THE PERSPECTIVE OF SLA PRINCIPLES USING LITTLEJOHN’S FRAMEWORK. Jurnal JOEPALLT (Journal of English Pedagogy, Linguistics, Literature, and Teaching), 9(2). https://doi.org/10.35194/jj.v9i2.1780