Mera, Koichi  1933-, <br/><br/>
On the concentration of urbanization and economic efficiency / 
Prepared by koichi mera 
 - 31 páginas 
 - Working paper / economics department ;  no. 74 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Urbanización<br/>Desarrollo económico
<br/><br/><label>LC Class. No.: </label>HT151  / M43