000 | 00296nam a22000977a 4500 | ||
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100 | _aLopez, Rica S. | ||
245 | _aProblems Encountered by the Secondary Science Teachers in all the National High Schools in Baler and San Luis | ||
260 |
_aAurora _bASCOT _c2005 |
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300 |
_ap. 30 _billus. |
||
942 | _cCR | ||
999 |
_c3353 _d3353 |