Z. Department ZM,
“Guidelines for reporting”. Zambia, Department of Water Affairs, Lusaka, Zambia, p. 14, xii p., 1989.
IRC International Water and Sanitation Centre, The Hague, NL and ZM, Z. Department,
“Report on the short course on preparation and production of guidelines and other communication materials, held in Lusaka 25-28 July 1989”. Zambia, Department of Water Affairs, Lusaka, Zambia, p. 36 p.: photogr., 1989.
WHO -Geneva, CH, World Health Organization and ZM, Z. Department,
“Sub-regional working group meeting on cost recovery and resources coverage : Mongu, Western Province, Zambia, 30 January - 3 February 1989 : working group report”. Zambia, Department of Water Affairs, Lusaka, Zambia, p. v, 21 p., 1989.