000 00336nam a2200145Ia 4500
020 _a9971897075
082 _b4629
_a910
100 _a"KHOO,DORIS"
245 0 _aUNDERSTANDING GEO.WORK BOOK 1B
260 _bLONGMAN SINGAPORE
_c1999
300 _a98
944 _cTR
999 _c551443
_d551443