000 00360nam a2200145Ia 4500
020 _a0195776623
082 _b1166a
_a500
100 _a"Hoong Tho Lai"
245 0 _aExploring Science 1 Teachers Guide
260 _bOxford University Press
_aKarachi
_c1997
300 _a168
944 _cTB
999 _c627004
_d627004