NKONOKI, Simon R <br/><br/>
ODS 202 B: Environment, Technology and Development / 

 - Dar es Salaam ;  Open University of Tanzania,   1999. 
 - v, 155 p.  
<br/><br/><label>ISBN: </label>9987000517 
<br/><br/><label>Dewey Class. No.: </label>601