Malik, K. and Tkocz, A. 2017. Analysis of the Potential of Private Expenditure on R&D Sector in the Context of the Regional Operational Programme for Opolskie Voivodship 2014–2020. Regional Barometer. Analyses & Prognoses. 14, 4 (Feb. 2017), 89–98. DOI:https://doi.org/10.56583/br.468.