000 00489 a2200169 4500
020 _a9558177024
082 _a333.95
_bRES
090 _c19312
_d29632
245 _aResource material on biodiversity for general certificate of education
_badvanced level
260 _aColombo
_bIUCN Sri Lanka
_c1999
_g1999
300 _avi,83p.
_c30cm
650 _aECONOMICS OF LAND AND ENERGY
650 _aECONOMICS
650 _aBIOLOGICAL RESOURCES
650 _aOTHER NATURAL RESOURCE
942 _cL
999 _c47070
_d47070