Belopolskaya N. L. :
Zone's of proximal development cognitive and affective components in mentally retarded children
97'1 p.19
Tsetlin M. M. , Stroganova T. A. :
Temperamental features in enfants suffering early visual deprivation
97'2 p.34
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On the results of VII All-Russian conference "Creation of conditions for normal development of a peculiar child" (in Russian)
01'3 p.140