C. O. Incol - Cali, Cali, C. O. Universida, CO, C. Departamen, Nijmegen, N. L. Royal Hask, DGIS, D. General fo, and Wageningen, N. L. Wageningen,
“Anaerobic treatment and re-use of domestic wastewater : pilot plant study, Cali - Colombia : progress report no. 3”. Royal Haskoning, Nijmegen, The Netherlands, p. 102 p.: fig., tab., 1984.
T. R. Environmen Istanbul,
“Environmental management for developing countries : preprints. Vol. I”. Environmental Technology Research and Development Center, Istanbul, Turkey, p. ca 250 p. : fig., tab., 1984.
T. R. Environmen Istanbul,
“Environmental management for developing countries : preprints. Vol. II”. Environmental Technology Research and Development Center, Istanbul, Turkey, p. ca 250 p. : fig., tab., 1984.
D. Donaldson,
Evaluation of the CARE water supply program in Kenya, vol. no. 106. Arlington, VA, USA: Water and Sanitation for Health Project (WASH), 1984, p. v, 50 p.: fig., tab.
WHO -Geneva, CH, World Health Organization and Lumpur, M. Y. P. E. P. A. S. - Kua,
“Public water supply leakage and wastage control”. Western Pacific Regional Centre for the Promotion of Environmental Planning and, Serdang, Malaysia, p. 108 p., 1984.
WHO -Geneva, CH, World Health Organization,
“Why action lines '84?”. World Health Organization (WHO), Geneva, Switzerland, p. 18 p., 1984.