Dhawan B.D. <br/><br/>
Economics of groundwater irrigation in hard rock regions 

 - Delhi  Agricole  1986 
 - xiv,101p, 22cm 
 - Studies in economic development and planning .
<br/><br/><label>ISBN: </label>8185005451 
<br/><br/><label>Dewey Class. No.: </label>333.913,  / D, dha