Adra, Marry Jane Q., <br/><br/>
The essentials of polgraphy / 
Marry Jane Q. Adra and Danilo L. Tancangco. 
 - Philippines :  Wiseman's Book Trading,  2013. 
 - ii, 156 pages :  figures, tables ;  22 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>ISBN: </label>9789710588510 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Polygraphy.
<br/><br/><label>Dewey Class. No.: </label>363.254  / A8