Essential seamanship 
3G E-learning. 
 -  3G E-learning.  2022 
 - xvi, 461 pages 
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<br/><br/><label>ISBN: </label>978-1-984659-62-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Seamanship -- essential.
<br/><br/><label>Dewey Class. No.: </label>623.88 E785 2022