Jeong, K. S., et al. (2009). “A development of criteria for evaluating school zone
                           by utilizing analytic network process.” The Journal of Korean Society of Civil Engineers,
                           Vol. 39, No. 1, pp. 263-271.Jeong, K. S., et al. (2009). “A development of criteria
                           for evaluating school zone by utilizing analytic network process.” The Journal of
                           Korean Society of Civil Engineers, Vol. 39, No. 1, pp. 263-271.
