Burchard-Dziubińska M, Jakubiec T. Green Public Procurements (GPP) as an Instrument of Implementation of Sustainable Development. Analysis of the Experience of the Łódź Region Local Government. CER [Internet]. 2012 Dec. 28 [cited 2025 Dec. 10];15(3):23-36. Available from: https://czasopisma.uni.lodz.pl/CER/article/view/6814