Bala, Ramesh, Ghana Shyam Gautam, and Gautam Bir Singh Tamrakar. “Analysis of IRI Value for Assessment of Optimum Maintenance Strategy for Low Traffic Volume Roads in Nepal”. Journal of Science and Engineering 4 (April 3, 2017): 41–46. Accessed April 26, 2024. https://www.nepjol.info/index.php/jsce/article/view/22380.