Approbation of methodological approach for innovation activeness of small and medium-sized enterprises in a dynamic environment(following the example of machine-building sector in Ruse region, Bulgaria

Kunev, S., & Antonova, D. (). Approbation of methodological approach for innovation activeness of small and medium-sized enterprises in a dynamic environment(following the example of machine-building sector in Ruse region, Bulgaria. // <I>Annals<D> of "Eftimie Murgu" University of Resita, Fascicle II. Economic studies, 2014, № 21, p. 102-118..