1987
L. K. National W. Ratmalana,
« [.. title in Sinhalese ..] [Analyzing a water sample] ». National Water Supply and Drainage Board, Ratmalana, Sri Lanka, p. 15 p.: fig., 1987.
L. K. National W. Ratmalana,
« [.. title in Sinhalese ..] [Constructing pits for privies] ». National Water Supply and Drainage Board, Ratmalana, Sri Lanka, p. 20 p.: fig., tab., 1987.
L. K. National W. Ratmalana,
« [.. title in Sinhalese ..] [Means of disease transmission] ». National Water Supply and Drainage Board, Ratmalana, Sri Lanka, p. 16 p.: fig., 1987.
I. N. U. N. I. C. E. F. Reg Delhi,
« Towards better health : disposal of human excreta - sanitary latrine », vol. no. 3. UNICEF Regional Office for South Central Asia, New Delhi, India, p. Flip chart, 10 cards, 1987.
I. N. U. N. I. C. E. F. Reg Delhi,
« Towards better health : home sanitation », vol. no. 6. UNICEF Regional Office for South Central Asia, New Delhi, India, p. Flip chart, 9 cards, 1987.
I. N. U. N. I. C. E. F. Reg Delhi,
« Towards better health : personal hygiene », vol. no. 5. UNICEF Regional Office for South Central Asia, New Delhi, India, p. Flip chart, 9 cards, 1987.
I. N. U. N. I. C. E. F. Reg Delhi,
« Towards better health : sanitation and diseases », vol. no. 6. UNICEF Regional Office for South Central Asia, New Delhi, India, p. Flip chart, 9 cards, 1987.
I. N. U. N. I. C. E. F. Reg Delhi,
« Towards better health : vector control », vol. no. 5. UNICEF Regional Office for South Central Asia, New Delhi, India, p. Flip chart, 9 cards, 1987.
I. N. U. N. I. C. E. F. Reg Delhi,
« Towards better health : waterseal latrine (technical details) ». UNICEF Regional Office for South Central Asia, New Delhi, India, p. 12 p.: 4 fig., 3 photogr., 1987.
A. R. Pozzi,
« Training aids for lectures on environmental management for vector control ». Swiss Federal Institute of Technology, Institute for Land Improvement and Water, Zurich, Switzerland, p. 69 p., 1987.
H. P. Haug et Hack, H.,
« Training modules for waterworks personnel in developing countries ». Deutsche Gesellschaft fur Technische Zusammenarbeit (GTZ), Eschborn, Germany, p. 3 boxes (44 modules): fig., 1987.
A. A. Titus,
« Training of community operators in operations and maintenance for rural potable water systems in Bolivia », vol. no. 204. Water and Sanitation for Health Project (WASH), Washington, DC, USA, p. iv, 34 p. ; fig., tab., 1987.
D. B. Edwards,
« Training of trainers in operations and maintenance for rural potable water systems in Bolivia », vol. no. 202. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. iii, 50 p.: tab., 1987.
D. R. Flanagan,
« Training skills for supervisors », vol. no. 4. IRC, The Hague, The Netherlands, p. xii, 89 p., 1987.