SHANER(WW); PHILIPP(P F); SCHMEHL(W.R) <br/><br/>
Reading in Farming Systems Research and Development 

 -  1981  Westview Press 
 - 1-175  0  Paper 
<br/><br/> Hard Binding 
<br/><br/><label>ISBN: </label>0-86531-502-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Methodology
<br/><br/><label>Dewey Class. No.: </label>9f:(J)   M1;1