Yu Sang Chang

Lead-acid battery use in the development of renewable energy systems in China

Yu Sang Chang, Xian-Xian Mao, Yanfang Zhao et al. · Journal of Power Sources · 2009 · 127 citations

Engineering, Chemical Engineering, Environmental Engineering +14

Is there more traffic congestion in larger cities? -Scaling analysis of the 101 largest U.S. urban centers-

Yu Sang Chang, Yong Joo Lee, Sung S. Choi · Transport Policy · 2017 · 86 citations

Social Sciences, Urban Planning, Urban Studies +14

[Sensitivity analysis in ecological modeling].

Chonggang Xu, Yuanman Hu, Yu Sang Chang et al. · PubMed · 2004 · 33 citations

Natural Sciences, Ecology, Biological Systems Modeling +14

Population Density or Populations Size. Which Factor Determines Urban Traffic Congestion?

Yu Sang Chang, Sung Jun Jo, Yoo-Taek Lee et al. · Sustainability · 2021 · 33 citations · Full text

Social Sciences, Transportation Planning, Urban Planning +17

Speed of Catch-up and Digital Divide: Convergence Analysis of Mobile Cellular, Internet, and Fixed Broadband for 44 African Countries

Yu Sang Chang, Seongmin Jeon, Kudzai Shamba · Journal of Global Information Technology Management · 2020 · 28 citations

Social Sciences, Demography, Economics +11