Introduction to cruise line travel safety, security and crowd control/ 
Laxa, Nathaniel. 
 -  Mindshapers Co., Inc.,  2014 
 - x, 134 p. ;. 
<br/><br/>
<br/><br/><label>ISBN: </label>978-9-71990582-0 
<br/><br/><label>Dewey Class. No.: </label>F 387.542 L45 2014