WASET
    A. Ujunwa and  P. O. Salami and  A. H. Umar,  CEO Duality and Firm Performance: An Integration of Institutional Perceptive with Agency Theory.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2013, vol. 73(1). 180 - 186
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/12557.