Ahmed Mohamed El-Hawary, <br/><br/>
Subsurface Drainage design to maximize the system net present worth /  
 تصميم شبكات الصرف المغطى لتعظيم عائدها الاقتصادى  
By Ahmed Mohamed El-Hawary; Supervised Prof. Dr. Abdallah Sadik Bazaraa, Prof. Dr. Mohamed Morsy Atrees, Dr. Hesham Mohamed Kandil  
 - 107 Pages :  illustrations ;  25 cm. +  
<br/><br/>Thesis (M.Sc.)-Cairo University, 1995 
<br/><br/>Bibliography: pages 82 :96 
<br/><br/><label>Subjects--Index Terms: </label>Irrigation and Hydraulics