N. Tugrul and  A. S. Kipcak and  E. MoroydorDerun and  S. Piskin,  The Determination of the Zinc Sulfate, Sodium Hydroxide and Boric Acid Molar Ratio on the Production of Zinc Borates.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2014, vol. 91(7). 639 - 643
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9998768.