Lina Anastassova, Atanas Luizov, Esther Subira, and Carlos Grau. 2018. “INNOVATIONS ACTIVENESS IN THE SMES SECTOR IN BULGARIA AND SPAIN: EMPIRICAL STUDY”. World Science 2 (12(40), 23-32. https://doi.org/10.31435/rsglobal_ws/30122018/6272.