TRINH, Dong Tinh; TRAN, Ngoc Tien; NGUYEN, Hong Thai. Building a Mathematical Equation for Describing Volume Changes in Suction and Pumping Chambers of an Improved Type of the Roots Blower. Old Journal, [S. l.], n. 141, p. 22–27, 2020. Disponível em: https://jst.vn/index.php/old/article/view/546. Acesso em: 2 aug. 2025.