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020 _a0119-6927
040 _cHNU
082 _3GC
_a372.4/ P552
245 _aPhilippine science and mathematics education studies
264 _aDiliman, Quezon City
_bInstitute for Science and Mathematics Education Development
_c199?
336 _2text
_ardacontent
337 _2unmediated
_ardamedia
338 _2volume
_ardacarrier
521 _aGS
_bEnglish
942 _2ddc
_cPB
_h300-399
999 _c134831
_d134831