PIOTROWSKA, Aldona. Regulation of Economic Activity in the Collection of Municipal Waste from Property Owners and Septic Tank Services. Krakow Review of Economics and Management/Zeszyty Naukowe Uniwersytetu Ekonomicznego w Krakowie, Krakow, n. 911, p. 65–76, 2015. DOI: 10.15678/krem.775. Disponível em: https://psychologia-ekonomiczna.uek.krakow.pl/index.php/krem/article/view/775.. Acesso em: 20 sep. 2024.