Kim, Hye-Kyung, Sun-Young Im, Soo-Yeon Kim, and Youn-Soo Shim. 2019. “A Case Study of Competency Ratio Design in Competency-Based Curriculum”. International Journal of Advanced Science and Technology 28 (3), 74 - 81. http://sersc.org/journals/index.php/IJAST/article/view/270.