WASET
    Ahmad Abubakar Sadiq and  Mark N. Nwohu and  Jacob Tsado and  Ahmad A. Ashraf and  Agbachi E. Okenna and  Enesi E. Yahaya and  Ambafi James Garba,  Available Transmission Transfer Efficiency (ATTE) as an Index Measurement for Power Transmission Grid Performance.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2015, vol. 101(5). 1130 - 1135
    [viewed 18 April 2024]. Available from: https://publications.waset.org/pdf/10001332.