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200 1 _aExpansion and effectiveness of private tutoring
_fChristoph Mischo, co-aut. Ludwig Haag
461 1 _aEuropean Journal Of Psychology Of Education
_vVol. 17, nÂș 3 (2002), p. 263-273
606 1 _aPsicologia e Educacao
686 _a3500 - Psicologia Educacional
700 1 _aMischo
_bChristoph
701 1 _aHaag
_bLudwig
856 4 _uhttps://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/r4.htm