Claassen, Stanley L. <br/><br/>
Management of agricultural chemicals  on research stations /  
Stan ley L. Claassen. 
 - Ibadan :    International institute of Tropical agriculture ,    199 1 . 
 - 10 p. ;    30 cm. 
 - IITA Research Guide ;    no.17 .
<br/><br/>Includes bibliographic references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Agricultural chemicals -- Environmental aspects.
<br/><br/><label>Dewey Class. No.: </label>K 631.8 CLA