Mapasa, Nthunt'si. <br/><br/>
Renewable energy conversion / 
Nthunt'si Mapasa and Lirahalibonoe Molapo. 
 - 54 pages. :illustrations (some color) ;  25 cm. 
 - Kawi Energy Science for Africa ;  number 4 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Force and energy.<br/>Energy resources.