Linking technology choice with operation and maintenance in the context of community water supply and sanitation - ( WHO ).
2003 // 142 pages // Francois Brikke, Maarten Bredero // ISBN 92 4 156215-3
1.31.Linking technology choice with operation and maintenance in the context of community water supply and sanitation. - ( WHO ).#Books of reference#WHO#Water supply
1.30.Guidelines for drinking water quality - ( WHO ).