Police intelligence and secret service  / 
Salamanca, Bayani H.;   Estoque, Sammy B.;  Aclis, Donabell O. 
 - Quezon City :  Wiseman's Book Trading, Inc.,  2017. 
 - iv,126p.; 22cm. 
<br/><br/>Includes bibliography 
<br/><br/><label>ISBN: </label>9786214180110 
<br/><br/><label>Dewey Class. No.: </label>Fil 363.232 Sa159 2017