Scientists and their inventions. 

 - Quezon City :  Mabuhay Educational Center,  1999. 
 -  36 flash cards; colored; 13.5 x 10 cm. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>Flash card 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scientist<br/>Inventions
<br/><br/><label>LC Class. No.: </label>509.2 Sci26 c1999