L. S. Stephenson,
Schistosomiasis and malnutrition, vol. no. 16 (1986). Ithaca, NY, USA: Cornell University Press, 1986, p. xii, 192 p.: fig., tab.
Aand Rural Lands, Wallingford, G. B. H. R. Walling, and Harare, Z. W. Blair Rese,
“Schistosomiasis control at Mushandike irrigation scheme”. Hydraulics Research, Wallingford, UK, p. 91 p.: fig., tab., 1986.
I. T. F. A. O. - Rome,
“Women, water supply and sanitation : water for Africa”. Food and Agriculture Organization (FAO), Rome, Italy, p. video (15 min.): VHS, Pal, 1986.