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Lee, Changyong; Cho, Yangrae; Seol, Hyeonju; Park, Yongtae
Technological Forecasting and Social Change, Vol.79 No.1, pp.16-29
Son, Changho; Suh, Yongyoon; Jeon, Jeonghwan; Park, Yongtae
Expert Systems with Applications, Vol.39 No.3, pp.2489-2500