Evaluating health impact : water supply, sanitation, and hygiene education /
John Briscoe, Richard G. Feachem & M. Mujibur Rahaman
- Ottawa, Canada : International Development Research Centre (IDRC) , 1986
- 80p. : ill. ; 25 cm.
- IDRC ; 248e .
- IDRC (Series) ; 248e. .