Zinchenko, I.V., Vasenko , O.H., Babich , E.V. and Anhina , L.S. 2023. Self-purification monitoring of the Danube delta and Merlo river aquatic water according to microbiological indicators. Man and Environment. Issues of Neoecology. 39 (Jun. 2023), 39-54. DOI:https://doi.org/10.26565/1992-4224-2023-39-04.