Ajay, Jammigumpula, Avinandan Das, Binayak Dutta, Arindam Karmakar, Sasanka Roy, and Navaneeta Saikia. “Problems on One Way Road Networks”. Journal of Graph Algorithms and Applications 24, no. 3 (March 1, 2020): 523–546. Accessed May 1, 2025. https://www.jgaa.info/index.php/jgaa/article/view/paper544.