Joyo, Waqar Ahmed Analysis of voltage sags and swell at 132KV substation Qasimabad / Waqar Ahmed Joyo. - MUET, Jamshoro: Electrical Engineering, 2018. - xi, 44p.: ill. : 30 Cm. Includes references Subjects--Topical Terms: Electrical Power Engineering. Dewey Class. No.: / JOY