Water treatment and sanitation





Water treatment and sanitation :a handbook of simple methods for rural areas in developing countries / by H.T. Mann, D. Williamson

London :Intermediate Technology Publications ,1976


90 p. ,ill., plans ; 21 cm.

090303123X : 1.50

Water -- Purification
Sewage -- Purification
Rural health
Public health -- Developing countries

SRD Community Education Training Centre,