Харун ВР, Заливаха НЯ. INVESTIGATING THE WORK OF THE PUMPING-UNIT UNDER THE CONDITIONS OF THE VARIABLE LOAD DUE TO THE ACCUMULATION OF PARAFFIN WITHIN THE OIL WELL AND THE DECREASE OF THE DYNAMIC FLUID LEVEL. Number [Internet]. 2019 Feb. 10 [cited 2025 Apr. 8];(1(45):117-3. Available from: https://pvntsh.nung.edu.ua/index.php/number/article/view/19