@ARTICLE{
author={Zarkovic Darja B,Rajakovic-Ognjanovic Vladana N,Rajakovic Ljubinka V},
year={2011},
title={Conservation of resources in the pulp and paper industry derived from cleaner production approach},
journal={RESOURCES CONSERVATION AND RECYCLING},
volume={55},
number={12},
pages={1139-1145},
document_type={Article},
} 

@ARTICLE{
author={Zarkovic Darja B,Todorovic Zaklina N,Rajakovic Ljubinka V},
year={2011},
title={Simple and cost-effective measures for the improvement of paper mill effluent treatment - A case study},
journal={JOURNAL OF CLEANER PRODUCTION},
volume={19},
number={6-7},
pages={764-774},
document_type={Article},
} 

@ARTICLE{
author={Zarkovic Darja B,Todorovic Zaklina N,Krgovic Milorad V,Rajakovic Ljubinka V},
year={2009},
title={Determination of inorganic anions in papermaking waters by ion chromatography},
journal={JOURNAL OF THE SERBIAN CHEMICAL SOCIETY},
volume={74},
number={3},
pages={301-310},
document_type={Article},
}