Appropriate technology for water supply and sanitation : a sanitation field manual
Kalbermatten, J.M.
Appropriate technology for water supply and sanitation : a sanitation field manual (Book) - Washington, D.C. World Bank 1980 - 87 p. 28 cm.
Sanitary engineering Water supply
628.564 : 614.777 KAL / 11437
Appropriate technology for water supply and sanitation : a sanitation field manual (Book) - Washington, D.C. World Bank 1980 - 87 p. 28 cm.
Sanitary engineering Water supply
628.564 : 614.777 KAL / 11437