Mettrick Hal <br/><br/>
Development oriented research in agriculture :  An ICRA textbook / 
Hal Mettrick 
 - Netherlands :  ICRA ,  1993. 
 - xxvi,285 pages ;  illus :  24 cm. 
<br/><br/><label>ISBN: </label>9073041163 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture-- Research 
<br/><br/><label>LC Class. No.: </label>S 540 Met