THE PERFORMANCE AND EFFICIENCY RATING EVALUATION OF A HYDRAULIC RAM PUMP PROTOTYPE WITH HEIGHT VARIATIONS. FROPIL (Forum Profesional Teknik Sipil), [S. l.], v. 7, n. 1, p. 47–53, 2019. DOI: 10.33019/fropil.v7i1.1403. Disponível em: https://www.journal.ubb.ac.id/index.php/fropil/article/view/1403. Acesso em: 13 apr. 2026.