The Present situation and trends of research in the field of special education /

The Present situation and trends of research in the field of special education / by John McKenna...(et al.) . - París : UNESCO, 1973. - 306 p. : fot., lamns.

Contenido: Suecia y otros Países Escandinavos, URSS, EUA y Uruguay Cuatro estudios:

9231011065

376.2 =20 SIT.