CC-BY-NC-NDJovanović, IvanNikolić, ĐorđeMilijić, Nenad2023-12-282023-12-282016978-86-6305-044-0 (print)http://media.sjm06.com/2016/02/Monograph-Environmental_awareness-as-a-universal-European-Value.pdfhttps://repozitorijum.tfbor.bg.ac.rs/handle/123456789/5555enMATHEMATICA as a decision support system in the problem of blending for ecological copper productionbook