Jennings, Terry,   1938-  <br/><br/>
Daya dan jentera 

 - 32 pages :   colour photographs ;   24 cm 
 - Memahami sains .
 - Memahami sains .
<br/><br/><label>ISBN: </label>9836265287 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science - Study and teaching. ; Machinery ; Force and energy
<br/><br/><label>Dewey Class. No.: </label>507