Gavryliuk, M. N., M. M. Borysenko, and O. V. Iliukha. 2021. “The Autumn Aggregation of Migratory Waterfowl and Waterbirds in the Central Part of Kremenchuk Reservoir in 2015-2017”. Cherkasy University Bulletin: Biological Sciences Series, no. 2 (January):20-28. https://bio-ejournal.cdu.edu.ua/article/view/4069.