Kiurski S. Jelena and  Kecić S. Vesna and  Aksentijević M. Snežana,  Quality Parameters of Offset Printing Wastewater.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2016, vol. 115(7). 773 - 778
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10004943.