| Type | Working Paper - IRC International Water and Sanitation Centre | 
| Title | The value of environmental sanitation – case studies | 
| Author(s) | |
| Publication (Day/Month/Year) | 2006 | 
| Page numbers | 25-0 | 
| URL | http://www.es.irc.nl/redir/content/download/28600/299963/file/OP42_EnvirSan_06.pdf#page=25 | 
| » | Tanzania - Demographic and Health Survey 1996, Tanzania |