H. Subramaniam. <br/><br/>
Nautical watchkeeping 

 - 2nd ed. 
 - Mumbai  Vijaya Publications  2017 
 - 286 p. ;  pbk, 22 cm. 
<br/><br/><label>ISBN: </label> 400 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Merchant marine -- Watch duty.<br/>Navigational watchkeeper<br/>Sea<br/>Ship
<br/><br/><label>Dewey Class. No.: </label>623.8884 SUB