Lee, S. I., Lee, S. J., Son, H. J. and Kim, T. H. (2010). “A study on the development
                           of the pedestrian satisfaction indices in subway influencing area.” J. Seoul Stud,
                           Vol. 11, No. 4, pp. 51-66.Lee, S. I., Lee, S. J., Son, H. J. and Kim, T. H. (2010).
                           “A study on the development of the pedestrian satisfaction indices in subway influencing
                           area.” J. Seoul Stud, Vol. 11, No. 4, pp. 51-66.
