Marks-Bielska, R., Lizińska, W., Babuchowska, K. and Wojarska, M. 2017. Factors Determining the Institutional Efficiency of Self-Governments in the Economic and Spatial Area. Regional Barometer. Analyses & Prognoses. 15, 1 (May 2017), 67–75. DOI:https://doi.org/10.56583/br.451.