Park, Sehyuk, A. D. Adeba, Y. K. Hwang, J. E. Bolander, and Y. M. Lim. “A Built-up Virtual Laboratory to Enhance Understanding of Concrete Structure Design Requirement”. International Journal of Online and Biomedical Engineering (iJOE) 12, no. 03 (March 31, 2016): pp. 48–52. Accessed November 27, 2024. https://online-journals.org/index.php/i-joe/article/view/5462.