Jansuwan, S., and S. Teeraprasert. “A Study of Location Model for a Rescue Vehicle Parking Stations: Case Study of Kannayao District in Bangkok”. Journal of Applied Statistics and Information Technology, vol. 4, no. 1, June 2019, pp. 37-48, https://ph02.tci-thaijo.org/index.php/asit-journal/article/view/186998.