@book{33357,
	author = {S. Muhammad Zain, Zargham Mughal, Farah Abbasi & Farooq Ahmed and Dr. Abdul Qadir & Engr. Afifa Rasheed},
	title = {Efficient AC Drive System for Tubewell},
	publisher = {UITU,},
	year = {2018},
	address = {Karachi:}
}