Аrystarkhova Еlla, Ludmila Romantschuk, Yevgen Dankevych, and Olena Zhytova. 2018. “Influence of Ammonia of Waters from the Surface Sources of Water Supply on Their Toxicity for Rana Ridibunda (Pallas, 1771)”. ScienceRise: Biological Science, no. 3 (12) (June):39-43. https://doi.org/10.15587/2519-8025.2018.135657.