Zam, Dawa, Sangay Jamtsho, Tshering Dema, Jhulen Chettri, and Chimi Wangmo. “Optimization of Solid Waste Collection and Transportation Route in Phuentsholing City Using GIS”. Zorig Melong | A Technical Journal of Science, Engineering and Technology 1, no. 1 (June 15, 2013): 11–19. Accessed June 30, 2025. http://103.133.216.217/index.php/zm/article/view/42.