Yang W Y <br/><br/>
Farm management investigations for agricultural im 

 - Rome  Food and Agriculture Organization         1952 
 - v, 36p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management
<br/><br/><label>Dewey Class. No.: </label>X9(J):8, J2