Pham Minh Hoan. “DEFINITION AND CORRECTION OF MULTIPLE-CHOICE QUESTIONS (QUIZ) BASED ON CLASSICAL TEST THEORY AND ITEM RESPONSE THEORY”. UTEHY Journal of Applied Science and Technology, Vol. 17, Apr. 2018, pp. 67-73, http://tapchi.utehy.edu.vn/index.php/jst/article/view/131.