ŹRÓDŁA ZEWNĘTRZNE

https://textileexchange.org – Non profit company committed to the responsible expansion of textile sustainability across the global textile value chain https://www.leatherworkinggroup.com , not-for-profit community organization dedicated to driving excellence in sustainable leather production

https://www.peta.org/international/ , Organization for ethical treatments of animals

https://www.wastemark.it/en-gb/home , Wastemark is a mark that identifies the waste of value and the value of waste

https://www.matrec.com , Sustainable materials online library