3G E-learning <br/><br/>
Startup guide:  construction and contracting/ 
3G E-learning 
 - New York, NY :  3G E-learning LLC,   c2021. 
 - ix,   258 pages; illustrations 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781984646095 
<br/><br/><label>Dewey Class. No.: </label>692.8