Martyniuk, V. O., Zubkovych, I. V., & Andriichuk, S. V. (2019). The Landscape-Geographical Assessment of Sapropel Resource Capacity of Lubytivske Lake (Volyn Polessia). Man and Environment. Issues of Neoecology, (30), 91-103. https://doi.org/10.26565/1992-4224-2018-30-07