Chau-Kuang Chen and  John Hughes and  Jr. and  A. Dexter Samuels,  Using Simulation Modeling Approach to Predict USMLE Steps 1 and 2 Performances.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2016, vol. 116(8). 2887 - 2899
    [viewed 09 December 2019]. Available from: https://publications.waset.org/pdf/10005251.