WASET
    Ibrahim Dauda Adagye,  Effective Internal Control System in the Nasarawa State Tertiary Educational Institutions for Efficiency: A Case of Nasarawa State Polytechnic, Lafia.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    October 2015, vol. 107(11). 3902 - 3907
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/10002940.