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

 - Rome  Food and Agriculture Organization      1958 
 - "ix, 228p."  cm. 
<br/><br/><label>Standard No.: </label>86689 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management
<br/><br/><label>Dewey Class. No.: </label>"X9(J):8, J8/UN"