Officer in charge of a navigational watch:  model course 7.03 / 
International Maritime Organization. 
 - 2014 ed. 
 - London:  IMO Publishing,  c2014. 
 - 274 pages ;  30 cm. 
<br/><br/><label>ISBN: </label>9789280115888 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Navigational watch.
<br/><br/><label>LC Class. No.: </label>CIR VM 541  / O34 2014