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| 222 | _aREVISTA DE INVESTIGACION EDUCACIONAL | ||
| 245 | _aModelo de entrenamiento de docentes en servicio para promover y asesorar actividades cientÃficas juveniles : PRO-ASO-CIEN Teacher in service training model for promotion and tutoring of youth scientific activities | ||
| 300 | _a47-55 | ||
| 362 | _a1987 Vol. 14, no. 29 | ||
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| 653 | 0 | _aEDUCACION CIENTIFICA | |
| 653 | 0 | _aEDUCACION MEDIA SUPERIOR | |
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