The essentials of polygraphy / 
Adra, Marry Jane Q.;  Tancangco, Danilo Lago 
 - Quezon City :  Wiseman's Book Trading, Inc.,  2013. 
 - xi, 156 p.:  ill.;  22.1cm. 
<br/><br/>Includes bibliography 
<br/><br/><label>ISBN: </label>9789710588510 
<br/><br/><label>Dewey Class. No.: </label>Fil 363.254 Ad81 2013