000 00503 a2200181 4500
020 _a9558576085
041 _aSn
082 _a333.7
_bKOT
100 _aKotagama , Sarath
245 _aපරිසර සංරක්ෂණය
260 _c2003
_aColombo
_bSri Lanka Kshesthra Pakshi Vidya Kavaya
_g2003
300 _bill.
_c29 cm.
_a12 p.
650 _aENVIRONMENTAL CONSERVATION
650 _aECONOMICS
650 _aNATURAL RESOURCES CONSERVATION
700 _aPadmaperuma , Aruna
942 _cSC
999 _c28729
_d30276