Singh Kamal. “Evaluating Pedestrian Level of Service (PLOS) at Road Segments Using Numerical Rating and Fuzzy Sets”. International Journal of Advanced Science and Technology 29, no. 06 (May 1, 2020): 4702 - 4710. Accessed May 5, 2024. http://sersc.org/journals/index.php/IJAST/article/view/19387.