1.
Kotsev N. The Impact of the Promotion of Innovations on the Establishing of Industrial Concentrations (Clusters) in the Information Technology Sector in Bulgaria. НТ [Internet]. 2014 Aug. 21 [cited 2026 Jul. 23];(2):112-39. Available from: https://bjiep.e-dnrs.org/index.php/rp/article/view/5686