Cho, Minje, Choi, Seong Pil, Choi, Hyung Rim, Park, Byung Kwon, Kim, Doo Hwan, Kim, Hyun Soo, AND Lee, Byung Ha. "Footwear Design Crowdsourcing Platform Model For Strengthening Of the Competitiveness Of The Footwear Industry" International Journal of System Modeling and Simulation [Online], Volume 2 Number 4 (31 December 2017)