HAJDYS, Dagmara. Application of the public-private partnership formula in thermomodernization projects of public buildings in Poland in the years 2009–2020. Ekonomia i Prawo. Economics and Law. Online. 30 September 2022. Vol. 21, no. 3, pp. 563-582. [Accessed 5 July 2025]. DOI 10.12775/EiP.2022.030.