DUBINA D, USTIMENKO P, VAKARENKO L, BOIKO P, BOIKO M. The regional econet in a context of protection and regeneration of vegetation of a Steppe zone of Ukraine. CBJ. 2011;6(3):325-337. Accessed November 15, 2026. https://www.cbj.kspu.edu/index.php/cbj/article/view/548