Orazbayeva, Dina, Ulzhalgas Karatayeva, Bulat Kenessov, Kulzhan Beisembayeva, and Kulyash Meyramkulova. “Concentrations of Benzene, Toluene, Ethylbenzene and O-Xylene in Soil and Atmospheric Precipitations in the Cities of Almaty and Astana”. Chemical Bulletin of Kazakh National University 82, no. 2 (July 1, 2016): 34-44. Accessed March 9, 2021. https://bulletin.chemistry.kz/index.php/kaznu/article/view/737.