Enayat, Mostafa Janebi, and Seyed Mohammad Reza Amirian. “Vocabulary Levels Test and Word Associates Test: Can They Measure Language Proficiency?”. Asian Journal of Assessment in Teaching and Learning, vol. 6, Dec. 2016, pp. 17-26, https://ejournal.upsi.edu.my/index.php/AJATeL/article/view/1975.