Haciyeva, Gulnar Nuru. “Environmental Problems Caused by Motor Vehicles in and Around the City of Sumgait”. Proceedings of Voronezh State University. Series: Geography. Geoecology0, no. 3 (September 7, 2021): 79-84. Accessed December 5, 2025. https://journals.vsu.ru/geo/article/view/3604.