W.Y. Yang <br/><br/>
Methods of farm management investigations : For improving farm productivity 

 - Rome  Food and Agriculture Organization of United Nations  1965 
 - 228p 
<br/><br/>W.Y. Yang & Food and Agricultural Organization: Methods of farm management investigations : For improving farm productivity.  Rome.  Food and Agriculture Organization of United Nations, 1965.--(658.93YAN)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>658.93  / FAO