00666nam a2200229 a 450000500170000000800410001703500190005810000200007722200390009724500680013630000140020436200190021865300290023765300350026665300230030165300430032465300120036765300120037990400150039190500130040699900170041920210219153042.0991125n                      000 0 eng u  aUPN01000074847  aMaxwell, Martha  aJOURNAL OF DEVELOPMENTAL EDUCATION  aThe effects of expectations, sex and ethnicity on peer tutoring  a14-16, 18  a1991 15, no. 10 aACTITUDES DEL ESTUDIANTE0 aCARACTERISTICAS DEL ESTUDIANTE0 aENSE\197ANZA MUTUA0 aESTUDIANTES EN COLEGIOS DE DOS A\197OS0 aTUTORES0 aTUTORIA  aACb012658  aArticulo  c67173d67173