Marchenko, V., Korh, I., Petrash, V., & TkachоvA. (2019). Justification of mechanisms of optimization of technological-economic parameters of dairy farms and complexes of different production capacity. Bulletin of Sumy National Agrarian University. The Series: Livestock, (1-2(36-37), 82-86. https://doi.org/10.32845/bsnau.lvst.2019.1-2.12