SHMATKOV, D.; BIELIKOVA, N. .; ANTONENKO, N.; SHELKOVYJ, A. . Developing an environmental monitoring program based on the principles of didactic reduction. European Journal of Geography, [S. l.], v. 10, n. 1, 2019. Disponível em: https://eurogeojournal.eu/index.php/egj/article/view/65. Acesso em: 22 mar. 2025.