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                           using genetic algorithm.” journal of korean Society of Transportation, Korean Society
                           of Transportation, Vol. 21, No. 1, pp. 65-75 (in Korean).Lee, S. H., Choi, I. J.,
                           Lee, S. J. and Lim, K. W. (2003). “A transit assignment model using genetic algorithm.”
                           journal of korean Society of Transportation, Korean Society of Transportation, Vol.
                           21, No. 1, pp. 65-75 (in Korean).
