AutoCAD 2020 :  3D modeling / 
Hamad, Munir M. 
 - Virginia :  Mercury Learning and Information,  2019. 
 - xviii, 381 p.: ill.; 22.9 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9781683923794 
<br/><br/><label>Dewey Class. No.: </label>C 670.285 H198 2019