Wils, F. <br/><br/>
The informal sector in greater sao paulo :  a discussion of concepts and criteria, and a description of its characteristics / 
F. Wils 
 - Hague :  Institute of Social Studies (ISS) ,  1991 
 - 21p. :  ill. ;   30 cm.  
 - Working paper  No. 99 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Informal sector--Brazil
<br/><br/><label>Gov. Doc. Class. No.: </label>NL ISS Wp-99