BACKGROUND CONCENTRATION OF AIR POLLUTANTS FOR SOFIA CITY - ANALYSIS FOR SUMMER AND WINTER MONTHS
Hristina Kirova, Dimiter Syrakov, Maria Prodanova, Emilia Georgieva, Dimiter Atanassov · SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Energy and Clean Technologies
