Mahmoud Mohamed Mohamed Sobh Hayes <br/><br/>
Effect of some soil manures on soil properties /  
Mahmoud Mohamed Mohamed Sobh Hayes ; Supervised Hassan Hamdi , A. E. Elsherbieny , Elshahat Hassan 
 - Elsharkia :   Mahmoud Mohamed Mohamed Sobh Hayes ,   1979 
 - 88 Leaves, (9) Folded of Leaves platas ;   30cm 
<br/><br/>Thesis (M.Sc.) - Zagazig University - Faculty of Agriculture - Department of Soil Science