Defensive general maritime psychology with preventive management approach against drug dependency; alcoholism; sexual offenses; gambling and other vic 
Gregorio, Danilo Igano. 
 - first special edition 2002. 
 -  Gregorio Consulting Service.  2002 
 - vi, 164 pages. 
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<br/><br/><label>ISBN: </label>9-71920051-0 
<br/><br/><label>Dewey Class. No.: </label>M 150.620 G86d 2002