Le, N.H., T.A. Tran, and V.C. Truong. 2022. “Generation of GIS Database for Optimization of Waste Transportation Route in Lien Chieu District, Da Nang City, Vietnam”. International Journal of Geoinformatics 18 (2):1-15. https://journals.sfu.ca/ijg/index.php/journal/article/view/2145.