N. L. I. W. A. C. O. - Rotterdam, BI, B. Ministere, y Kreditanstalt fuer Wiederaufbau -Frankfurt am Main, DE, KfW,
«L'Evolution d'education au hygiene au Burundi : programme de formation et d'education au matiere d'hygiene». IWACO, Rotterdam, The Netherlands, p. ca. 130 p.: 5 fig., photogr., ill., 1994.
E. de Lange,
Manual for simple water quality analysis. Amsterdam, The Netherlands: International Water Tribunal Foundation, 1994, p. ca. 140 p.: ill.
E. de Lange,
Manual para el analisis simple de la calidad del agua. The Hague, The Netherlands: International Water Tribunal Foundation, 1994, p. ca. 150 p.: ill.
E. de Lange,
Manual pour l'analyse simple de la qualite d'eau. Amsterdam, The Netherlands: International Water Tribunal Foundation, 1994, p. ca. 150 p.: ill.
Fand Fisher Agriculture,
«National workshop on village level operation and maintenance of handpumps, 21st to 25th February, 1994 : workshop report». Cambodia, Ministry of Agriculture, Forestry and Fisheries, Phnom Penh, Cambodia, p. i, 88 p., 1994.
S. Zeitlyn, Ali, N., Hoque, B. A., Yahya, F. S. M., y Shaheed, N. M.,
«Promoting sanitation in Bangladesh»,
World health forum, pp. p. 358-362: 1 fig., 1994.
G. D. J. Atkinson,
«Using water wisely : the public relations aspect»,
Water supply : the review journal of the International Water Supply Association, pp. p. IR 4.1 - 4.30: fig., tab., 1994.