Ivashov, Anatolij, and Andriy Simchuk. “Ecological Consortium As an Elementary Ecosystem”. Journal of Vasyl Stefanyk Precarpathian National University 8, no. 4 (January 20, 2022): 34–44. Accessed November 21, 2024. https://journals.pnu.edu.ua/index.php/jpnu/article/view/6138.