Avishai Ceder (2007). Public transit planning and operation, Elsevier, Oxford.Avishai Ceder (2007). Public transit planning and operation, Elsevier, Oxford.

H. Benn (1995). Bus route evaluation standards, TCRP Synthesis 10.H. Benn (1995). Bus route evaluation standards, TCRP Synthesis 10.

La Vie du Rail et des Transport. (2000). Le palmares 2000 des transport, No. 152 (in French).La Vie du Rail et des Transport. (2000). Le palmares 2000 des transport, No. 152 (in French).

Lee, S. Y. and Park, K. A. (2003). “Quantitative evaluation indicators for the city bus route network.” Journal of Korean Society of Transportataion, Vol. 21, No. 4, pp. 29-156 (in Korean).Lee, S. Y. and Park, K. A. (2003). “Quantitative evaluation indicators for the city bus route network.” Journal of Korean Society of Transportataion, Vol. 21, No. 4, pp. 29-156 (in Korean).

Silcock, D. T. (1981). Measures of operational performance for urban bus services, Traffic Engineering and Control.Silcock, D. T. (1981). Measures of operational performance for urban bus services, Traffic Engineering and Control.

Yun, H. R. (2004). Monitoring bus service systems - for seoul bus system reform programs, The Seoul Institute (in Korean).Yun, H. R. (2004). Monitoring bus service systems - for seoul bus system reform programs, The Seoul Institute (in Korean).