Hajiyeva, Konul. “Receptive and Productive Vocabulary Level Needs: An Empirical Study of Azerbaijani English Majors”. International Journal of Learning, Teaching and Educational Research 9, no. 1 (December 30, 2014): 51–65. Accessed April 20, 2026. http://www.ijlter.net/index.php/ijlter/article/view/1143.