M. Hassan M. A  <br/><br/>
Economics of well-irrigation in the thal: 

 - Punjab  The board of economic enquiry  1950 
 - 98.,  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economy
<br/><br/><label>Dewey Class. No.: </label>25.210681  / ECO 1950