-
Bulgarian Academy of Sciences (BAS)
-
National Museum of Natural History - BAS, Sofia, Bulgaria
- Foundation Center of Karstology “Vladimir Popov”
- Directorate of Nature Park “Shumen Plateau”, Bulgaria
- Directorate of Nature Park “Russenski Lom”, Bulgaria
- Directorate of Nature Park “Golden Sands”, Bulgaria
- Directorate of Nature Park “Vrachanski Balkan”, Bulgaria
- Yamaguchi University, Japan
- Cave Administration of the Czech Republic
- Zespol Parkow Krajobrazowych Wojewodztwa Slaskiego, Poland
|
|
|
PROTECT KARST TERRITORIES - EDUCATION AND TRAININGINTERNATIONAL SCIENTIFIC AND PRACTICAL FORUM23-26 September, 2015, Sofia, Bulgaria |
||
