Mendis, D. L. O.
Water heritage of Sri Lanka - Colombo Sri Lanka Pugwash Group 2002 - xxx, 258p. : ill.
9556470033
IRRIGATION-SRI LNAKA
WATER RESOURCES
626.8(548.7) / M4
Water heritage of Sri Lanka - Colombo Sri Lanka Pugwash Group 2002 - xxx, 258p. : ill.
9556470033
IRRIGATION-SRI LNAKA
WATER RESOURCES
626.8(548.7) / M4