WASET
    S. Areerachakul,  The Using Artificial Neural Network to Estimate of Chemical Oxygen Demand.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2013, vol. 79(7). 578 - 581
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/16545.