Nadirova, Zhanna, Oleksandr Ivakhnenko, Manap Zhantasov, Gulmira Bimbetova, and Kazim Nadirov. “Ultrasound-Assisted Dewatering of Crude Oil from Kumkol Oilfield”. Chemical Bulletin of Kazakh National University 101, no. 2 (June 30, 2021): 4-10. Accessed September 20, 2021. https://bulletin.chemistry.kz/index.php/kaznu/article/view/1217.