P. I. Adzongo and  O. A. Aloga,  Lifelong Education for Teachers: A Tool for Achieving Effective Teaching and Learning in Secondary Schools in Benue State, Nigeria.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    October 2015, vol. 105(9). 3253 - 3256
    [viewed 27 September 2020]. Available from: https://publications.waset.org/pdf/10002872.