000 00375nam a2200133Ia 4500
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040 _e89758
_aMAIN
041 _aEnglish
082 _a372.37 A59S
100 _aAmita
245 0 _aStudy of the effectiveness of concept attainment model on pupil achievement in biology and their reactions
300 _a134 p.
942 _cTH
999 _c50976
_d50976