PHAM, Trong Hoa. The Effect of Rotating Speed and Working Pressure on the Hydrodynamic and Hydrostatic Pressure Distribution of the Oil Lubrication Film in the Internal Gear Pump. Old Journal, [S. l.], n. 145, p. 40–46, 2020. Disponível em: https://jst.vn/index.php/old/article/view/494. Acesso em: 2 aug. 2025.