M. Yacoob,
“Rusafiya Project : an interim report on a socioeconomic survey in Plateau State”. Research Triangle Institute, Research Triangle Park, NC, USA, p. ii, 65 p.: map., 1988.
B. B. Sundaresan, Huisman, L., Hofkes, E. H., Netto, J. Mde Azevedo, and Lanoix, J. N.,
Sistema de abastecimiento de agua para pequenas comunidades : tecnologia de pequenos sistemas de abastecimiento de agua en paises en desarrollo, Enlarged ed., vol. no. 18. Lima, Peru: CEPIS (Centro Panamericano de Ingenieria Sanitaria y Ciencias del Ambiente), 1988, p. vii, 384 p.: fig., tab.
D. Brouwer,
“A survey on water use and hygiene in a rural area on Mount Elgon, West-Kenya”, vol. no. 1988-318. Agricultural University Wageningen, Wageningen, The Netherlands, p. 101 p.: fig., tab., 1988.
T. Mujtaba,
“User reaction study on the Tara handpump”. UNICEF Water, Environment and Sanitation Section, Dhaka, Bangladesh, p. 8 p. + annexes, 1988.
R. B. Isely and Yohalem, D.,
“A workshop design for community participation”, vol. no. 33. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. 2 vol. (ca. 380 p ; ca. 290 p.): tab., 1988.