Nadirova, Z., O. Ivakhnenko, M. Zhantasov, G. Bimbetova, and K. Nadirov. “Ultrasound-Assisted Dewatering of Crude Oil from Kumkol Oilfield”. Chemical Bulletin of Kazakh National University, Vol. 101, no. 2, June 2021, pp. 4-10, doi:https://doi.org/10.15328/cb1217.