Psychology of schoolchildren + Social psychology

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
: On the results of VII All-Russian conference "Creation of conditions for normal development of a peculiar child" (in Russian) 01'3 p.140