Water supply and sanitation - beyound the decade /
Water supply and sanitation - beyound the decade /
- Manila : Asian development bank, 1990.
- iv, 228 p. : ill. ; 28 cm.
Water-supply --Congresses.
Sanitation --Congresses.
628 ASIW
Water-supply --Congresses.
Sanitation --Congresses.
628 ASIW