WHO water series. Geneva, Switzerland: World Health Organization (WHO).
U. Think Tank 14,
« Willingness to charge for water and sanitation services : outcomes from three workshops : fourteenth meeting of the Urban Think Tank, Sep. 19, Oct. 1 and Nov. 14-15, 2002 Hyderabad, Bangalore, Calcutta, India ». Water and Sanitation Program - South Asia, New Delhi, India, p. 7 p. : 5 boxes, photogr.
E. W. Golding,
« Windmills for water lifting and the generation of electricity on the farm », vol. no. 17. Food and Agriculture Organization (FAO), Rome, Italy, p. ii, 60 p. + 6 p. annexes.
« WIN-SA lessons series ». Water Information Network - South Africa - (WIN-SA), Pretoria, South Africa.
Z. A. Umgeni Wat Pietermaritzburg,
« The wonder of water ». Umgeni Water, External Education Services, Pietermaritzburg, South Africa, p. Video (17 min.): VHS.
Working document / CORETECH. Wageningen, The Netherlands: CORETECH.