Erdenesaikhan Oyunsurtal, and Ulziibaatar Tserendorj. “DIESEL ENGINE FUEL AND OIL CONTAMINATION IN THE AGRICULTURE SECTOR OF MONGOLIA”. World Science, no. 3(75) (April 25, 2022). Accessed July 3, 2024. https://rsglobal.pl/index.php/ws/article/view/2305.