Sinambela E, Abdul Gafur, Burhan Hafid. Experimental Study of the Performance of the Calpeda B Cm 20e Type Centrifugal Pump as a Practical Tool. IJSE [Internet]. 2026 Jul. 23 [cited 2026 Jul. 27];6(2):2107-14. Available from: https://ijsenet.com/index.php/IJSE/article/view/731