Ministry of Science of the Republic of Serbia [P-141051, P-141019B]
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http://vinar.vin.bg.ac.rs/APP/faces/project.xhtml?project_id=Ministry+of+Science+of+the+Republic+of+Serbia+%5BP-141051%2C+P-141019B%5D&item_offset=0&author_offset=0&sort_by=dc.date.issued