Dewi, Sinta, and Nuryansyah Adijaya. “Readability Analysis of Teaching Materials of English Courses Class 2 and 6 Elementary School”. LADU: Journal of Languages and Education 2, no. 3 (March 31, 2022): 121–124. Accessed October 18, 2024. https://alejournal.com/index.php/ladu/article/view/120.