angky, puspawan, Muller Manurung Manurung, and Agus Nuramal Nuramal. 2024. “The ANALYSIS OF HEAD LOSSES AND EFFICIENCY OF CENTRIFUGAL PUMP G31-41A PLANT 35 AT PT. PERTAMINA REFINERY RU V BALIKPAPAN”. Teknosia 18 (1):12-20. https://doi.org/10.33369/teknosia.v18i1.34650.