TY - GEN AU - Yousry Abdelgawwad Elsayed Atia AU - Essam Eldean Mohamed Abou Elzahab , AU - Osama Ahmed Mahgoub , AU - Said Helmi Elhefnawi , TI - Enhanced efficiency pumping system operating with photovoltaic source / PY - 2000/// CY - Cairo : PB - Yousry Abdelgawwad Elsayed Atia , KW - Enhanced efficiency pumping system KW - Photovoltaic source KW - Pumping system N1 - Thesis (Ph.D.) - Cairo University - Faculty Of Engineering - Department Of Electrical Power and Machines UR - http://172.23.153.220/th.pdf ER -