Trivedy, R. K. <br/><br/>
Practical methods in ecology and environmental sciences 

 - Karad  Enviro media publications  1987 
 - 340p.  24cm 
 - Series in methodology - 2 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Historical, geographic persons treatment
<br/><br/><label>Dewey Class. No.: </label>577.09  / TRI