KoblianskaI. “Finding the Optimal Location of Regional Landfills Using the Center of Gravity Method: Sumy Region Example”. Herald of Kyiv Institute of Business and Technology 44, no. 2 (August 31, 2020): 11-22. Accessed April 19, 2024. https://herald.kibit.edu.ua/index.php/visnyk/article/view/95.