1. Perspectives and progress in mental retardation, sixth congresses of the International Association for the Scientific study of mental Depficiency )IASSMD(
Author: edited by J. M. Berg: Technical editor, Jean M. de Jong
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Mental deficiency - Congresses
Classification :
RC
569
.
9
.
I57
1982
