Nguyen HT, Truong CG. Computation of the Root Dedendum of the Internal Gear in a Hypogetoror Pump with Prescribed Flow Rate and Rotational Speed. old [Internet]. 2019 Apr. 15 [cited 2025 Aug. 2];(133):21-7. Available from: https://jst.vn/index.php/old/article/view/663