Swimming & water survival / 
Burtria, Leo 
 - Quezon City :  Wiseman`s Books Trading, Inc.,  2011. 
 - x, 66 p.: ill. ; 22.2cm. 
<br/><br/>includes references 
<br/><br/><label>ISBN: </label>9789710588213 
<br/><br/><label>Dewey Class. No.: </label>Fil 613.716 B969 2011