Sweeney, Felix  & Mitchell, Riley <br/><br/>
Ecology, environment and pollution / 
Felix Sweeney & Riley Mitchell 
 - United Kingdom:  ED TECH Press,  2019. 
 - 275 p.  HB 
<br/><br/>Chapter 1. Ecology: An introduction<br/>Chapter 2. Environmental studies<br/>Chapter 3. Concept of an ecosystem... 
<br/><br/><label>ISBN: </label>9781788821643 
<br/><br/><label>Dewey Class. No.: </label>577.27  / SWE/E