000 00327nam a2200133Ia 4500
005 20260205102632.0
008 260111s9999||||xx |||||||||||||| ||und||
082 _a500 C27L
245 0 _aLearning objectives: Science course 'B'
260 _aNew Delhi
_bC.B.S.E.
_c1983
300 _a56p.
690 _aScience
942 _cBK
999 _c249359
_d249359