Singh, Savindra <br/><br/>
Oceanography 
by Savindra Singh 
 - 1st ed. 
 - Allahabad:  Pravalika Publications  2019 
 - 460p. 
<br/><br/><label>ISBN: </label>9788192829739 
<br/><br/><label>Dewey Class. No.: </label>U25  / Q9