Yang, W.Y. <br/><br/>
Methods of farm management investigations   for improving farm productivity 

 - Rome  Food and agriculture organiation of the united nation  1965 
 - xiii, 258 p 
 - FAO agricultural developmet paper no. 80 .
<br/><br/><label>Subjects--Index Terms: </label>farm management 
<br/><br/><label>Dewey Class. No.: </label>630.068  / YAN