Essam Tawfik Mohamed Elshenawy <br/><br/>
Optimization of electrical solar tracking systems /  
 دراسة الاختيار الامثل لنظم التوجية الالية للمجمعات الشمسية 
Essam Tawfik Mohamed Elshenawy ; Supervised Ahmed Bahgat , Nawal H. Helwa Abdellatif Elshafee 
 - Cairo :   Essam Tawfik Mohamed Elshenawy ,   1997 
 - 131P. :   charts , facsimiles ;   30cm 
<br/><br/>Thesis(M.Sc.) - Cairo University - Faculty of Engineering - Department of Electrical Power and Machines