000 00344nam a2200145Ia 4500
020 _a981-208-028-7
082 _bT-215
_a510
100 _a"Yoong,wong khoon"
245 0 _aNew Elementary Mathematics 1
260 _b,Pan pacific
_auk
_c1991
300 _a446
944 _cTB
999 _c671981
_d671981