S.V. Kleyn. ABOUT THE OPTIMIZATION OF PROGRAMS FOR MONITORING OVER AMBIENT AIR QUALITY IN A LARGE INDUSTRIAL CENTRE USING THE GEOGRAPHIC INFORMATION SYSTEMS AND POPULATION'S HEALTH RISK ASSESSMENT. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Ecology, Economics, Education and Legislation, 2019, pp. 35-42. https://doi.org/10.5593/sgem2019/5.2/s20.005