00701nam a22002297i 450000500170000000800410001704100080005810000160006624501150008265000170019765000250021465000120023965000160025165000240026765000260029165000230031765000200034065300170036065500150037770000110039277300680040320141212093208.0910523s1991    sp     gr     000 0 spa c  aeng1 aMAHEADY, L.10aHEADS TOGETHER: A PEER-MEDIATED OPTION FOR IMPROVING THE ACADEMIC ACHIEVEMENT OF HETEROGENEOUS LEARNING GROUPS14aDiscapacidad14aEducación primaria14aEscuela14aEstudiantes14aEstudio prospectivo14aInclusión educativa14aMétodo educativo14aRecomendaciones10aDiscapacidad 4aDocumental1 aET AL.0 tREMEDIAL AND SPECIAL EDUCATIONgVol. 12, no. 2 (1991), p. 25-33