Sangasumana, Pinnawala, Marabage Upul Krishantha, and Ratnayake R.M.K. “A GIS-Based Road-Mapping Network for Responding to Future Terrorist Activities in Colombo, Sri Lanka”. European Scientific Journal, ESJ 16, no. 8 (March 31, 2020): 159. Accessed December 6, 2024. https://eujournal.org/index.php/esj/article/view/12759.