E. W. Steel and McGhee, T. J.,
Water supply and sewerage, 5th ed., International student ed.th ed. Auckland, New Zealand: McGraw-Hill, 1979, p. xiv, 665 p.: fig., tab.
P. H. Kirshen,
“Water supply planning model for West Africa”,
Journal of the Water Resources Planning and Management Division, pp. p. 413-427 : 2 fig., 3 tab., 1979.
M. Stahl, Sachak, N., and Mkusa, G.,
“Water to the villages : a socio-economic study of water-related problems in Northern Njombe”, vol. no. 54. University of Dar es Salaam, Bureau of Resource Assesssment and Land Use Planning, Dar es Salaam, Tanzania, p. 2, 91 p. : fig., tab., 1979.
C. Richter and Balkowiski, C. S.,
“Water treatment plant for small communities : studies in a pilot plant”. Companhia de Saneamento do Parana (Sanepar), Curitiba, Brazil, p. 51 p., [25] p. of fig., 1979.
T. Schioler,
“Water-lifting devices”. Food and Agriculture Organization (FAO), Rome, Italy, p. ca. 50 p. : ill., techn.drwng, 1979.
R. E. Brush,
“Wells construction : hand dug and hand drilled”. Peace Corps, Washington, DC, USA, p. viii, 282 p.: fig., tab., 1979.
WHO -Geneva, CH, World Health Organization and Geneva, C. H. U. N. D. P. /World,
“Workshop on the role of human/water contact in schistosomiasis transmission : St. Lucia, 28 May - 1 June 1979”. World Health Organization (WHO), Geneva, Switzerland, p. 52 p.: tab., maps, 1979.