For citations:

Korchina T.Ya., Korchin V.I. Comparative Analysis of the Chemical Composition of Natural Waters in the Khanty-Mansiysky and Yamalo-Nenets Autonomous Districts. Public Health and Life Environment – PH&LE. 2022;1(1):43-47. (In Russ.) https://doi.org/10.35627/2219-5238/2022-30-1-43-47