Zubko, V. M., Khvorost, T. V., & Litvinenko, Y. Y. (2021). RESEARCH OF EFFICIENCY OF USING THE SMARTFIRMER SYSTEM IN GROWING CORN ON GRAIN. Bulletin of Sumy National Agrarian University. The Series: Mechanization and Automation of Production Processes, (3 (45), 18-23. https://doi.org/10.32845/msnau.2021.3.3