Abbas Al-Refaie and  Nour Bata,  Market Segmentation and Conjoint Analysis for Apple Family Design.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2016, vol. 112(4). 1138 - 1142
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10004171.