Author: Mariya Chunchukova, Diana Kirin
Issue 21
12. Ecological studies on the circulation of nickel in Abramis brama and Pomphorhynchus tereticollis from the freshwater ecosystem of the Danube river, Bulgaria
Author: Diana Kirin, Mariya Chunchukova
13. Economic and technical efficiency in less favoured Slovenian areas
Author: Nicola Galluzzo
14. The role of social entrepreneurship for rural development
Author: Nelly Bencheva, Teodora Stoeva, Venelin Terziev, Milena Tepavicharova, Ekaterina Arabska
15. Study on the culinary heritage and traditions of Bulgaria and differentiation of culinary developments – a prerequisite for the development of the regions and the preservation of culinary traditions
Author: Ivanka Lulcheva, Krasimir Aleksandrov