Z. Department ZM et Province, Z. C. E. P. Team W.,
« Technology for rural water supply : jetted well standard construction details », vol. no. 2e. Zambia. Department of Infrastructure and Support Services (MLGH) -ZM, Lusaka, Zambia, p. iv, 20 p. : fig., photogr., 2002.
Z. C. E. P. Team W. Province et ZM, Z. Department,
« Technology for rural water supply : tube well standard construction details », vol. no. 2d. Zambia. Department of Infrastructure and Support Services (MLGH) -ZM, Lusaka, Zambia, p. iv, 21 p. : fig., photogr., 2002.
