SHMATKOV, Daniil, Nadiia BIELIKOVA, Nataliiag ANTONENKO, and Alexander SHELKOVYJ. “Developing an Environmental Monitoring Program Based on the Principles of Didactic Reduction”. European Journal of Geography 10, no. 1 (May 7, 2019). Accessed March 22, 2025. https://eurogeojournal.eu/index.php/egj/article/view/65.