Engineering drawing and design: solid mensuration (understanding the 3-D space) 
Earnhart, Richard T. 
 - 2nd Ed. 
 - Quezon City: C&E Publishing, Inc  2021 
 - 256p.; 22.9cm. 
<br/><br/> includes references, index 
<br/><br/><label>ISBN: </label>9789719814474 
<br/><br/><label>Dewey Class. No.: </label>Fil 604.2 Ea12 2021