Kulikov, O. A., Ratushnyi, O. V., Ivchenko, O. V., Andrusiak, V. O. and Herasymenko, V. O. (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, (1 (59), pp. 43-50. doi: 10.32782/msnau.2025.1.7.