Abul-Haggag Y <br/><br/>
Contribution to the physiography of Northern Ethiopia 

 -  1961 
<br/><br/><label>Standard No.: </label>93823 
<br/><br/><label>Source: </label> Textbook 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PHYSICAL GEOGRAPHY
<br/><br/><label>Dewey Class. No.: </label>U2:6827:N5, K1 (906)