Negassi Amanuel, Etifanos Bein, Kifle Ghebru, Bo Tengnas <br/><br/>
Soil and water conservation manual for Eritrea 

 -  RELMA  2002 
 - 246p 
<br/><br/><label>ISBN: </label>9966896651 
<br/><br/><label>LC Class. No.: </label>S 900   / .R4 2002