ХАРУН, Віктор Романович; ЗАЛИВАХА, Назарій Ярославович. 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. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, [S. l.], n. 1(45), p. 117–137, 2019. Disponível em: https://pvntsh.nung.edu.ua/index.php/number/article/view/19. Acesso em: 11 apr. 2025.