Indicators for monitoring the transformation towards a circular economy in Polish regions : [abstract] / NOWACZEK, A., Kulczycka, J. // W: Advances in Cleaner Production [Dokument elektroniczny] : 9\textsuperscript{th} International Workshop : towards sustainable energy-water-food nexus: the contribution of cleaner production : Melbourne, Australia, May, 26\textsuperscript{th} 2020 : online workshop : conference proceedings / eds. Biagio F. Giannetti, Cecilia M. V. B. de Almeida, Feni Agostinho. — Wersja do Windows. — Dane tekstowe. — [Melbourne] ; [São Paulo] : Deakin University ; Universidade Paulista, cop. 2020. — (Advances in Cleaner Production ; ISSN 1984-8455). — S. 203. — Wymagania systemowe: Adobe Reader. — Tryb dostępu: http://www.advancesincleanerproduction.net/9th/files/proceedings_9th.pdf [2020-08-20]. — J. Kulczycka - afiliacja: Mineral and Energy Economy Research Institute of the Polish Academy of Sciences, Cracow