WASET
    Samppa Suoniemi and  Harri Terho and  Rami Olkkonen,  The Measurement of Endogenous Higher-Order Formative Composite Variables in PLS-SEM: An Empirical Application from CRM System Development.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2012, vol. 72(12). 1648 - 1652
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/8748.