Perera <br/><br/>
Urbanization and urban research  - 
Perera A.L,S 
 - 1995 
 - Sri lanka  Sri lanka  1995 
 - 138  - 
<br/><br/> - 
<br/><br/><label>ISBN: </label>
<br/><br/><label>ISSN: </label>
<br/><br/><label>Dewey Class. No.: </label>352.1  / PER