Office equipment /   project editors ; Ng May Yee , Raihan David.   

 - Subang Jaya, Selangor :   Firefly Publications,   2006. 
 - 49 p. : col. ill.   
 -  A junior's guidefor inventions and discoveries   .
<br/><br/> Includes vocabulary <br/> 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>CIR 651 Of3 2006