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_aAsociación Puertorriqueña de Maestros de Matemáticas. : _brevista anual |
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_aSan Juan, P.R. : _bAsociación Puertorriqueña de Maestros de Matemáticas, _c1977. |
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_a1 volume : _billustrations (black and white) ; _c27 cm. |
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_2rdamedia _an |
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_aMathematics -- Study and teaching. _9132760 _vPeriodicals _zPuerto Rico |
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