Kulikov, O. A., O. V. Ratushnyi, O. V. Ivchenko, V. O. Andrusiak, and V. O. Herasymenko. 2025. “COUNTER-ROTOR PUMPS AND OTHER TYPES OF PUMPS: A COMPARATIVE ANALYSIS OF EFFICIENCY”. Bulletin of Sumy National Agrarian University. The Series: Mechanization and Automation of Production Processes, no. 1 (59) (March), 43-50. https://doi.org/10.32782/msnau.2025.1.7.