Key issues in mental retardation research :
Key issues in mental retardation research : proceedings of the 8th World Congress of the International Association for the Scientific Study of Mental Deficiency (IASSMD) : Dublin, Ireland, 21-25 August 1988 /
co-sponsored by the World Health Organization ; ed. by W. I. Fraser
- 506 páginas
0415013631
Personas con discapacidad mental--Congresos
RC569.9 / I56 1988
0415013631
Personas con discapacidad mental--Congresos
RC569.9 / I56 1988