PostuĊ‚a, M., Sobolewska, J., & Tomkiewicz, J. (2018). CONVERGENCE PROGRAMMES AS AN ECONOMIC POLICY TOOL WITHIN THE EUROPEAN UNION. Acta Scientiarum Polonorum. Oeconomia, 17(4), 123-131. https://doi.org/10.22630/ASPE.2018.17.4.59