Open AccessA Study on Congestion Improvement on Seoul Subway Line 9 using Cost-Effect Analysis
Author(s) -
안재홍,
In-sung Kang
Publication year - 2017
Publication title -
jung'ang haengjeong nonjib
Language(s) - English
Resource type - Journals
ISSN - 1229-1862
DOI - 10.24210/kapm.2017.31.2.005
Subject(s) - line (geometry) , transport engineering , business , mathematics , engineering , geometry