Soil erosion and its control in Arid and Semi Arid zones 

 -  1960 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture Labour
<br/><br/><label>Dewey Class. No.: </label>X9(J):(J:1:4) p1,N57, K0/GD