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Showing results 1 to 2 of 2
Geum, Youngjung; Cho, Yangrae; Park, Yongtae
MATHEMATICAL AND COMPUTER MODELLING; Vol.54 11-12; 3126-3142
Lee, Changyong; Cho, Yangrae; Seol, Hyeonju; Park, Yongtae
Technological Forecasting and Social Change, Vol.79 No.1, pp.16-29