Hafiz,Qaisar Engineering zone : IES/GATE/PSUs: Guide for power system : Theory ,Solved Examples & Workdbook practices questions - 2nd Ed. - New Delhi Engineers Zone Publications 2017 - 384p. ISBN: 978-81-921396-7-8 Subjects--Topical Terms: Electrical Engineering Dewey Class. No.: 621.3121 / HAA-P