Technical drafting :  intermediate / 
3G E-Learning. 
 - 2nd ed. - 
 - New York:  3G E-Learning LLC,  c2018. 
 - x, 425 p. :   col. ill. ;  30 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>978-1-98462-561-8 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drafting.