CADFolks. <br/><br/>
Autocad 2020 beginners guide / 

 - 7th ed. 
 - India :  CADFolks, Family & Friends,  c2019. 
 - 410 p. :  ill. ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9781654214364 
<br/><br/><label>LC Class. No.: </label>25517-25521 
<br/><br/><label>Dewey Class. No.: </label>620.0042