Premkumar, P. D. <br/><br/>
Farmers are engineers :  indigenous soil and water conservation practices in a participatory watershed development programmee 
/ by P. D. Premkumar. 
 - Bangalore :  Swiss Agency for Development and Co-operation,  1997. 
 - 40 p. ;  25 cm. 
<br/><br/><label>Dewey Class. No.: </label>631.7 PRE  / 2117