Study on regional differences in industrial patter 

 - Its Occasional Paper. 10 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Office Management
<br/><br/><label>Dewey Class. No.: </label>X9:89P.(B).2-1.N60, K6