Saeed Rahmani Bagha and  Mohammad Mirzahosseinian and  Sonatkhatoon Kashanimotlagh,  Optimizing usage of ICTs and Outsourcing Strategic in Business Models and Customer Satisfaction.   journal   = {International Journal of Information and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2011, vol. 59(11). 1405 - 1409
    [viewed 25 October 2021]. Available from: https://publications.waset.org/pdf/7642.