Ram Krishna Mandal <br/><br/>
Biodiversity and ecology 

 - New Delhi  Discovery publishing  2012 
<br/><br/><label>ISBN: </label>9789350561522 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental scarcity and ecological security<br/>Ethics of biodiversity<br/>Aquatic organism<br/>Ecotaxation and environmental levy
<br/><br/><label>Dewey Class. No.: </label>577  / MAN.B