Tamanna Siddiqui and M. Afshar Alam, Discovery of Quantified Hierarchical Production Rules from Large Set of Discovered Rules. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. January 2009, vol. 25(1). 162 - 168 [viewed 19 September 2024]. Available from: https://publications.waset.org/pdf/11102.