Kim, Heon-Goo, and Namchul Lee. “Input-Output Analysis Of The Effect Of Education And Research ON The Korean Economic Structure”. Journal of Applied Business Research (JABR) 14, no. 2 (April 1, 1998): 129-138. Accessed September 26, 2020. https://clutejournals.com/index.php/JABR/article/view/5721.