Amel Grissa-Touzi and  Habib Ounally and  Aissa Boulila,  VISUAL JESS: AN Expandable Visual Generator of Oriented Object Expert systems.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2007, vol. 11(11). 1668 - 1671
    [viewed 04 May 2024]. Available from: https://publications.waset.org/pdf/2459.