1.
Hasan MK, Zengin R, Basmaz M, Hossain MT, Hoque MS, Mohiuddin MG. Lexical Diversity, Density, and Word Frequency in CEFR A2 ELT Coursebook Reading Texts in Turkish Higher Education: A Corpus-Based Comparative Analysis of Three Coursebooks. IJLTER [Internet]. 2026 May 30 [cited 2026 Jun. 7];25(5):734-55. Available from: https://ijlter.net/index.php/ijlter/article/view/2873