Does co-operation affect positively innovative performance? Case study of Estonia and Romania

Does co-operation affect positively innovative performance? Case study of Estonia and Romania. In Marketing & Menedzsment : the Hungarian journal of marketing and magement. - Pécs : University of Pécs, 2017. ISSN 1219-0349, 2017, roč. 11, č. 4, s. 149-158.