Onduru Davies,D. <br/><br/>
Methodology for comparative studies :  Organic, conventional and traditional farming systems in low potential areas 
/ by Davies D. Onduru and Nadia Scialabba. 
 - Nairobi :  Kenya Institute of organic farming. 
 - 63 p. ;  26 cm. 
<br/><br/><label>Dewey Class. No.: </label>320.019 OND