Yong Sik Chang

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Lee, Kyoung Jun, Chang, Yong Sik, Choi, Hyung Rim, Kim, Hyun Soo, Park, Young Jae, Park, Byung Joo (2004): A Time-Bound Framework for Negotiation and Decision Making of Virtual Manufacturing Enterp. In Journal of Organizational Computing and Electronic Commerce, 14 (1) pp. 27-41. http://www.leaonline.com/doi/abs/10.1207/s15327744joce1401_2

Lee, Jae Kyu, Chang, Yong Sik (2006): A framework for managing optimization models for supply chain software agents. In: Fox, Mark S., Spencer, Bruce (eds.) Proceedings of the 8th International Conference on Electronic Commerce - ICEC 2006 , 2006, Fredericton, New Brunswick, Canada. pp. 373-380. http://doi.acm.org/10.1145/1151454.1151516