1. Employment structure transformations in large polish cities;Przybyła,2018
2. The development of a modern road transport network and the efficiency of connections between major city centres (1989–2015);Śleszyński;Highways,2009
3. Selected Aspects of Former Regional Capitals’ Marginalizationhttp://www.jacek-potocki.pl/files/Dawne_miasta_wojewodzkie.pdf
4. Functional linkages between Polish metropolises;Komornicki,2011
5. The Impact of Administrative Reform on the Central Functions of Larger Polish Cities;Przybyła;J. Econ. Issues,2017