Trubina, Lyudmila K, and Olga N Nikolaeva. “Geospatial Model of Regional Natural Resources As a Basis for Sustainable Environmental Management”. Journal of Asian Scientific Research 6, no. 10 (November 12, 2016): 143–147. Accessed December 22, 2024. https://archive.aessweb.com/index.php/5003/article/view/3769.