@Article{484693, author = "Arkadiusz Świadek, Katarzyna Szopik-Depczyńska", title = "Changes in innovation activity in regional industrial system in the context of size of enterprises in West Pomeranian province", year = 2014, volume = 14(22), number = 2, journal = Folia Oeconomica Stetinensia, pages = s. 225-238, }