000 00668nam a2200217 a 4500
005 20210219153534.0
008 991125n 000 0 eng u
035 _aUPN01000105323
100 _aSIMMONS, Malcom
222 _aCOMPUTERS AND EDUCATION : AN INTERNATIONAL JOURNAL
245 _aWorking with a round turtle : the development of angle-rotation concepts under restricted feedback conditions
260 _aNueva York, EUA
300 _a23-33
362 _a1997 Vol. 28, no. 1, jan.
653 0 _aCOMPUTADORA
653 0 _aFEEDBACK
653 0 _aSOLUCION DE PROBLEMAS
700 _aCOPE, Peter, coaut.
904 _aAC
_b043134
905 _aArticulo
999 _c79423
_d79423