Deep tubewells installed by Punjab state tubewell corporation 

 - Chandigarh  Govt Press India          1990 
 - 39p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engneering
<br/><br/><label>Dewey Class. No.: </label>X9(D24).243.N9, N0/GD