R. Agor <br/><br/>
A Text Book of Surveying & Levelling 
by R. Agor 
 - New Delhi  Khanna  Pub.  2012 
 - 1216 
<br/><br/><label>ISBN: </label>8174092359 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil