000 00479 a2200181 4500
020 _a9789555072021
041 _aSn
082 _a333.913
_bBAS
100 _aBasnayake , C.R.M.K.
245 _aදියවර වගතුග
260 _c2011
_aAnuradhapura
_bAuthor
_g2011
300 _bmap
_c22 cm.
_a[xvi],181 p.
650 _aECONOMICS
650 _aNATURAL RESOURCES - WATER - SRI LANKA
650 _aWATER
650 _aWATER TANS - HISTORY - SRI LANKA
942 _cSC
999 _c41186
_d42733