Author

Assen Assenov

Sofia University "St. Kliment Ohridski"
Sofia, Bulgaria

1 article by this author

Case Study

GIS-based Valuation of Ecosystem Services in Mountain Regions: A Case Study of the Karlovo Municipality in Bulgaria

Boian Koulov, Ekaterina Ivanova, Bilyana Borisova, Assen Assenov, Aleksandra Ravnachka

10.3897/oneeco.2.e14062

04-07-2017

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