Cardenas,Elpidio J. <br/><br/>
Technical drafting 1; 
Elpidio J. Cardenas, Felizardo Y. Francisco 
 - Manila:  National Bookstore;  [1992] 
 - v125pages:  with Illustration;  23 cm. 
<br/><br/>Includes Index 
<br/><br/><label>ISBN: </label>9710851101 
<br/><br/><label>LC Class. No.: </label>T 353  / .C2666 1992