WASET
    Ying-Hsiu Chen and  Pao-Peng Hsu and  Mou-Yuan Liao and  Shu-Min Hsieh,  The Effect of Risky Assets to Operating Efficiencies for Listed Securities Firms in Taiwan Using the Data Envelopment Analysis.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2010, vol. 41(5). 538 - 541
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/13612.