H. N. Grupo Cola Tegucigalpa,
“Encuesta sobre uso, operacion y mantenimiento de letrinas en Honduras”. Grupo Colaborativo de Agua y Saneamiento de Honduras, Tegucigalpa, Honduras, p. 59 p.: fig., tab., 1993.
J. P. Padmasiri, Jayatilake, G. M., and Kotuwegedara, J. P. K.,
“Groundwater pollution from double pit latrines”, in
Water, environment and management : proceedings of the 18th WEDC Conference, Kathmandu, Nepal, 30 August - 3 September 1992, 1993, pp. P. 239-241: 3 fig., 4 tab.
P. Chaudhari, Pattanaik, B. K., and Gandotra, R.,
“Impact of Sulabh Swasthya Yojna : an attitude study”,
Health for the millions, pp. p. 21-24: 2 tab., ill., photogr., 1993.
H. Causer,
“Low-cost techniques for improving latrines in a demonstration village in Uganda”,
Waterlines, an international journal of water, sanitation and waste, pp. p. 5-7: photogr., 1993.
S. A. Larmie and Sekpey, N. K.,
“Nitrate pollution of groundwater sources at Oyarifa”, in
Water, sanitation, environment and development : proceedings of the 19th WEDC conference, Accra, Ghana, 6-10 September 1993, 1993, pp. P. 303-305 : 2 fig., 1 tab.
B. Brandberg,
“A sanitation revolution in Bangladesh?”,
Waterlines, an international journal of water, sanitation and waste, pp. p. 25-27: ill., photogr., 1993.
P. Wan,
“Social mobilization for sanitation”, in
Water, environment and management : proceedings of the 18th WEDC Conference, Kathmandu, Nepal, 30 August - 3 September 1992, 1993, pp. P. 28-31: 3 fig.
R. Shaw and Reed, B.,
“Technical Brief No. 38 : Emergency sanitation for refugees”,
Waterlines, an international journal of water, sanitation and waste, vol. no. 38, pp. p. 15-18: 5 fig., 1993.
V. N. U. N. I. C. E. F. - Ha Noi and VN, V. Nam. Minis,
“Ve sinh gia dinh”. Viet Nam, Ministry of Health, Hanoi, Viet Nam, p. 24 p., 1993.