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050 _aCD-00487t
099 _c2051
_d2051
100 _aNivera, Gladys
245 _aDesign, integration and assessment of mathematical investigations in secondary mathematics classes
_cGladys Nivera
260 _aManila
_bDe La Salle University
_c2008.
502 _bDoctor of Philosophy in Science Education
_aMathematics
630 _aMathematics
942 _cTD
999 _c1782
_d1782