G. Gurnovich, Tatyana, Lyubov V. Agarkova, Lyudmila N. Usenko, Elena A.Ostapenko, and . . “Increasing Competitiveness of the Agrarian Sector of the Regional Russian Economy Russia”. International Journal of Engineering & Technology 7, no. 4.25 (November 30, 2018): 201–211. Accessed May 1, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/26919.