Παραπομπή APA
European Union., & Republic of Bulgaria. Business catalogue: Potential and opportunities for business and cooperation. Sandanski: Association Business Information and Consulting Center.
Παραπομπή Chicago StyleEuropean Union., and Republic of Bulgaria. Business Catalogue: Potential and Opportunities for Business and Cooperation. Sandanski: Association Business Information and Consulting Center.
Παραπομπή MLAEuropean Union., and Republic of Bulgaria. Business Catalogue: Potential and Opportunities for Business and Cooperation. Sandanski: Association Business Information and Consulting Center.
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