000 00331nam a2200157Ia 4500
020 _a9789812081131
040 _cHO
082 _b4694
_a510
100 _a"NA"
245 0 _aSecondary Mathematics 1A
260 _c1999
300 _a128
942 _2ddc
_cTB
999 _c173754
_d173754