Rudra, A. <br/><br/>
Ecodevelopment news ;   no.35 

 - Parˇs-FR :   Ecodevelopment news,   1985. 
 - páginas 66-76 
 - Trimestral 
 - No.35 (Dec.1985) 
 - Ecodevelopment news ;   no.35 .
 - Ecodevelopment news. .