Noworól, A. (2015) “Dilemmas and Challenges in the Development of Urban Metropolitan Areas – the Case of the Cracow Metropolitan Area”, Krakow Review of Economics and Management/Zeszyty Naukowe Uniwersytetu Ekonomicznego w Krakowie, (12(936), pp. 79–93. doi:10.15678/ZNUEK.2014.0936.1206.