INNOVATIONS ACTIVENESS IN THE SMES SECTOR IN BULGARIA AND SPAIN: EMPIRICAL STUDY. World Science, [S. l.], v. 2, n. 12(40), p. 23–32, 2018. DOI: 10.31435/rsglobal_ws/30122018/6272. Disponível em: https://rspublisher.org/index.php/ws/article/view/1301. Acesso em: 17 mar. 2026.