00493nam a2200133Ia 4500008004100000024005600041082001800097100007000115110005000185245004300235260002600278600002200304650003300326260210s9999    xx            000 0 und d  a18B-030-PE, 18B-038-PE, 17B-002-TE & 17B-096-EE  a621.46072 ZAI  aS. Muhammad Zain, Zargham Mughal, Farah Abbasi & Farooq Ahmed  aDr. Abdul Qadir & Engr. Afifa Rasheed 0aEfficient AC Drive System for Tubewell  aKarachi:bUITU,c2018  aPower Engineering  aBachelor of Engineering (BE)