Shafiayan, M., y B. Izanloo. «The Relationship of Correct Option Location, Distractor Efficiency, Difficulty and Discrimination Indices in Analysis of High-Stakes Multiple-Choice Questions Exam of Medical Students». Revista De La Universidad Del Zulia, Vol. 10, n.º 27, diciembre de 2019, pp. 132-51, https://produccioncientificaluz.org/index.php/rluz/article/view/30011.