Donghae Eng. (2017). Feasibility study on the installation of additional entrance to Dunchon-dong station on line 5 (in Korean).

Korea Development Institute (KDI) (2017). A study on the standard guidelines for preliminary feasibility study of road and railway projects (in Korean).

Korea National Railway (KR) (2014). Handbook for railway design (in Korean).

Korea Transportation Institute (KOTI) (2006). Development of transportation connection and transfer system technology (in Korean).

Korea Transportation Institute (KOTI) (2016). A study on the improvement of railway station entrance (in Korean).

Lee, H. (2019). "Evaluation of exterior entrances in railway station." Journal of The Korean Society for Urban Railway, Vol. 7, No. 2. pp. 141-148, DOI: 10.24284/JKOSUR.2019.6.7.2.141 (in Korean). 10.24284/JKOSUR.2019.6.7.2.141

Ministry of Economy and Finance (MOEF) (2019a). Detailed guidelines for budgeting and fund operation plans (in Korean).

Ministry of Economy and Finance (MOEF) (2019b). General guidelines for conducting preliminary feasibility analysis (in Korean).

Ministry of Land, Infrastructure and Transport (MOLIT) (2013). Road capacity manual (in Korean).

Ministry of Land, Infrastructure and Transport (MOLIT) (2017). Guidelines for investment evaluation of transportation facilities (in Korean).

Ministry of Land, Infrastructure and Transport (MOLIT) (2018a). Design guidelines for urban railway stations and transfer facilities (in Korean).

Ministry of Land, Infrastructure and Transport (MOLIT) (2018b). Guidelines for design and layout of transfer centers and complex transfer centers (in Korean).

Public Procurement Service (PPS) (2018). An establishment of government analysis system for construction cost (in Korean).