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005 | 20210219153005.0 | ||
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100 | _aSOUTHWARD, Richard | ||
222 | _aMICROMATH | ||
245 | _aDerive at A-Level | ||
300 | _a35-37 | ||
362 | _a1993 Vol. 9, no. 1, mar.-jun. | ||
653 | 0 | _aALGEBRA | |
653 | 0 | _aEAC | |
653 | 0 | _aECUACIONES | |
653 | 0 | _aTECNOLOGIA EDUCATIVA | |
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905 | _aArticulo | ||
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