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Economy of collaboration : collaborative economics vis-a-vis competitive economics
Avny, Amos, (2013)
The competitiveness of small enterprises in Bulgaria : current situation
(2008)
Comparative study on the competitiveness of Romanian and Bulgarian tourism industry
Berbeniciuc-Mititiuc, Adina, (2013)
Sinergija i săzdavane na konkurentosposobnost na Bălgarskite firmi
Denčeva, Rumjana, (2011)