Kruś, M. 2022. Cooperation of the commune, investor and the society on the implementation of a housing investment based on the special purpose flat construction act – as an expample of application in administration of the “two-step theory” amd informal ways of operation. Acta Iuridica Resoviensia . 37, 119 (Jun. 2022), 181–195. DOI:https://doi.org/10.15584/actaires.2022.2.12.