Wen-Pai Wang and  Mei-Ching Tang,  Evaluating New Service Development Performance Based on Multigranular Linguistic Assessment.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2012, vol. 67(7). 1313 - 1318
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/3653.