"LIGHTNING PROTECTIVE SYSTEM: SIZING OF INTERCEPTION, DOWN CONDUCTOR AND EARTHING NETWORKS ON NIGERIAN 11-132 KV SUBSTATIONS". FULafia Journal of Science and Technology , م 7, عدد 1, مارس، 2021, ص 35-41, https://lafiascijournals.org.ng/index.php/fjst/article/view/154.