For citations:

Krasovitova E.S. ACTIVITIES OF SOVIET AUTHORITIES AND PUBLIC ORGANIZATIONS TO IMPROVE THE ECOLOGICAL CONDITION OF THE CITIES OF THE NORTH OF WESTERN SIBERIA IN THE MID-1960S – LATE 1980 S. Severny region: nauka, obrazovanie, kultura. 2021;(2 (48)):38-41. (In Russ.) https://doi.org/10.34822/2312-377X-2021-2-38-41