Technical drafting :  intermediate / 
3G E-Learning 
 - 2nd ed. 
 - New York :  3G E-Learning LLC,  2018. 
 - 425 p.: col.ill.; 29.7 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9781680949315 
<br/><br/><label>Dewey Class. No.: </label>C 744 T225 2018