M. M. Rahaman, Feachem, R. G., and Briscoe, J.,
Evaluating health impact : water supply, sanitation, and hygiene education. Ottawa, Ont, Canada: International Development Research Centre (IDRC), 1986, p. 80 p.: fig., tab.
L. S. Stephenson,
Schistosomiasis and malnutrition, vol. no. 16 (1986). Ithaca, NY, USA: Cornell University Press, 1986, p. xii, 192 p.: fig., tab.