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1981
Burrowes, R. y Moyer, J., «Small water project training module : course desription, course outline and lesson plans». Save the Children, Sana'a, Yemen, p. Microfiche (64 p. in various pagings), 1981.
1980
Robertson, L.H., «The development of self-help piped water projects in Malawi : management and planning», in Proceedings of the seminar on water supply and drainage services in developing countries = Verrigtinge van die seminaar oor watervoorsienings- en dreineringsdienste in ontwikkelende lande, 1980, p. Paper 1 (2 p.).
Kiestra, H., Kluft, W., De, N.R., y Dhawan, S.K., «India : evaluation mission to Himachal Pradesh : sector : rural water supply : purpose : evaluation of the Logwalti-Bomson Water Supply Scheme». DHV, Amersfoort, The Netherlands, p. 21, 19 p., 1980.

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