S. E. S. I. D. A. - Stockholm,
“Continuous compost toilets in Tunesia; part 1”. SIDA, Swedish International Development Cooperation Agency, Stockholm, Sweden, p. 21 p. : 11 fig., 7 plates, ann., 1980.
United Nations Department of Technical Co-operation for Development -New York, NY, US and Stockholm, S. E. S. I. D. A. -,
“Papers presented at the United Nations Interregional Seminar on Rural Water Supply, Uppsala, Sweden, 6-17 October 1980”. United Nations Department of Technical Co-operation for Development, New York, NY, USA, p. ca. 200 p. (various paging), 1980.