Putt, Juny Pilapil La. <br/><br/>
Elementary surveying / 

 - 3rd ed. 
 - Philippines :  Baguio Research & Publishing Center,  c2005. 
 - 643 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label>NA 
<br/><br/><label>LC Class. No.: </label>D1089 
<br/><br/><label>Dewey Class. No.: </label>526.9  / PUT