Jusuf, Harni. “THE MODELS OF CHECKLIST METHOD IN EVALUATING ELT TEXTBOOKS”. Al-Lisan: Jurnal Bahasa (e-Journal) 3, no. 2 (August 30, 2018): 17–35. Accessed June 23, 2025. https://www.journal.iaingorontalo.ac.id/index.php/al/article/view/422.