Pesticides In Zimbabwe Toxicity And Health Implications Edited By Charles F B Nhachi And Ossy M J Kasilo 

 -  Harare : University Of Zimbabwe 1996. 
 - 115 
 - Rural Development Series .
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>0908307497 (Pbk) Z