Yılmaz, G. “WORD FREQUENCY, WORD REPETİTİON AND ACADEMIC COMPETENCE İN TOMER BOOKS BY GAZI UNIVERSITY”. PALIMPSEST / ПАЛИМПСЕСТ, Vol. 4, no. 8, Dec. 2019, pp. 151-8, https://js.ugd.edu.mk/index.php/PAL/article/view/3363.