Anisimov, Aleksey, Kermen Lidzheeva, and Anatoliy Ryzhenkov. “Modern Issues of Development of the System of Specially Protected Natural Areas in the Context of the Concept of Sustainable Development”. Problemy Ekorozwoju 12, no. 2 (July 3, 2017): 47–57. Accessed November 21, 2024. https://ph.pollub.pl/index.php/preko/article/view/4978.