Bakalova, A. V., Gritsyuk, N. V., & Tytarenko, V. Y. (2022). UPGRADING OF OP–2000 SPRAYER FOR PROTECTION OF BLACK CURRANTS AGAINST SUCKING PESTS. Bulletin of Sumy National Agrarian University. The Series: Agronomy and Biology, 45(3), 3-9. https://doi.org/10.32845/agrobio.2021.3.1