Dembereldash, Enkhbaatar, Uyanga Batbaatar, Enkhdul Tuuguu, and Sanchirgarav Batzorig. “Plastic Waste Collection Route Optimization: Bulgan Province”. Mongolian Journal of Geography and Geoecology 62, no. 46 (September 1, 2025): 103–108. Accessed December 5, 2025. https://www.mongoliajol.info/index.php/MJGG/article/view/4115.