Ivanova, Teodora http://orcid.org/0000-0001-6332-6057
Chervenkov, Mihail
Stoeva, Tatyana
Chervenkov, Stoyan
Bosseva, Yulia
Georgieva, Almira
Tsvetanova, Elina
Alexandrova, Albena
Dimitrova, Dessislava
Funding for this research was provided by:
National Council for Scientific Research (DFNI K02/16)
Bulgarian Academy of Sciences (Program for career development of young scientists, grant No. 69/2016)
Article History
Received: 3 October 2017
Accepted: 13 February 2018
First Online: 8 March 2018
Compliance with ethical standards
: The ethical guidelines prescribed by the International Society of Ethnobiology were followed.
: The authors declare that they have no conflict of interest.