EN
The main objective of this paper is an attempt to analyze and assess potential sources of information for innovative activity of Polish small and medium-sized enterprises. The sources of innovation were in accordance with OSLO methodology. Empirical studies were carried out, using CAPI method, on a representative sample of Polish small and mediumsized enterprises in 2015. The results show the key roles of managers, employees, sales and marketing, and domestic customers. The dominant role of internal sources of innovation of Polish small and medium-sized is clearly visible.