Sercan DEMİRGÜNEŞ. (2017). A RESEARCH OF 5th, 6th, 7th AND 8th-GRADE TURKISH LESSON TEXTBOOKS ON THE BASIS OF VOCABULARY TEACHING AND WORD FREQUENCIES. International Journal of Eurasia Social Sciences, 8(26), 290–302. Retrieved from https://rrpubs.com/index.php/ijoess/article/view/894