Rasyid , Witman <br/><br/>
Crop combination alternatives :  a response to price and yield risks , in Bengkulu , Indonesia  [microform] / 
Witman Rasyid 
 - Ann Arbor, Mich. :  University Microfilms International,  1996 
 - 2 microfisches ;  11x 15 cm. 
<br/><br/>Thesis (Ph.D) - University of Ohio , 1995