Burchard-Dziubińska, Małgorzata, and Tomasz Jakubiec. “Green Public Procurements (GPP) As an Instrument of Implementation of Sustainable Development. Analysis of the Experience of the Łódź Region Local Government”. Comparative Economic Research. Central and Eastern Europe 15, no. 3 (December 28, 2012): 23–36. Accessed December 8, 2025. https://www.czasopisma.uni.lodz.pl/CER/article/view/6814.