Brakovska, A. et al. 2024. CHANGES IN STRUCTURE OF ZOOPLANKTON COMMUNITIES IN THE DAUGAVA RIVER AND PĻAVIŅAS RESERVOIR. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference. 1, (Jun. 2024), 78–85. DOI:https://doi.org/10.17770/etr2024vol1.7987.