Biblio

J. M. Kalbermatten, Julius, D. S., Gunnerson, C. G., and Mara, D. D., “Pedoman lapangan : teknik sanitasi tepat guna”. Institute of Human Settlements, Bandung, Indonesia, p. vi, 83 p. : fig., tab., 1985.

J. M. Kalbermatten, Julius, D. S., Mara, D. D., and Gunnerson, C. G., “Appropriate technology for water supply and sanitation : a planner's guide”, vol. no. 2. World Bank, Washington, DC, USA, p. 194 p. : 48 fig., 12 tab., 1980.

J. M. Kalbermatten, Julius, D. S., and Gunnerson, C. G., “Appropriate technology for water supply and sanitation : a sanitation field manual”, vol. no. 11. World Bank, Transportation, Water and Urban Development Department, Washington, DC, USA, p. iii, 86 p.: fig., tab., 1980.