3G E-learning <br/><br/>
Environmental issues :   ecological footprints / 
3G E-learning. 
 - New York, NY :    3G E-learning LLC,  c2019. 
 - vii, 243p :   color illustrations.  
<br/><br/>Includes bibliographical references and index.  
<br/><br/>
<br/><br/><label>ISBN: </label>9781984622716 
<br/><br/><label>Subjects--Personal Names: </label><br/>Ecological footprint. <br/>Sustainable development. 
<br/><br/><label>Dewey Class. No.: </label>333.7207  / E614 2019