Hariharan Naganathan, Oswald Chong, Aaron D Sauer, & Jonghoon Kim. (2020). Qualitative Analysis of Sustainable Indicators: An Approach to Correlate Sustainable Indicators with Transportation Practices. Global Journals of Research in Engineering, 20(E2), 11–24. Retrieved from https://engineeringresearch.org/index.php/GJRE/article/view/2042