3G E-learning <br/><br/>
Basic surveying/  	 
3G E-learning 
 - New York:   3G E-learning,   c2018. 
 - xii, 250 pages :   colored illustrations ;   24 cm. 
<br/><br/>Includes bibliographical references and index.<br/> 
<br/><br/><label>ISBN: </label>9781680948516 (pbk.)