Proceedings of Kerala environment congress 2008 :  focal theme environmental sanitatio, health and hygiene 
/ edited by Babu Ambat, [et al.....] 
 - Kerala :  Centre for Environment and Development,  2008. 
 - x, 256 p. ;  24 cm. 
<br/><br/><label>Dewey Class. No.: </label>363.192 AMB