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 21, no. 3 (September 30, 2022): 563–582. Accessed September 1, 2024. https://apcz.umk.pl/EiP/article/view/40462.