An introduction to invertebrates / 
3G E-Learning 
 - New York :  3G E-Learning,   c2017. 
 - xi, 268 pages :  color illustrations. 
<br/><br/> Includes references and index. 
<br/><br/><label>ISBN: </label>978-1-68095-520-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates
<br/><br/><label>Dewey Class. No.: </label>592  /  T531 2017