Agor, R. <br/><br/>
A textbook of surveying and levelling / 

 - 2nd reprint. 
 - New Delhi :  Khanna Publishers,  2017. 
 - 1234 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9788174092359 
<br/><br/><label>LC Class. No.: </label>20891-20915 
<br/><br/><label>Dewey Class. No.: </label>526.982  / AGO