TY - BOOK AU - Rao T. A. Subba, National Institute for the Mentally Handicapped (India) TI - Manual on developing communication skills in mentally retarded persons: a UNICEF supported research project U1 - WM300 PY - 1992/// CY - Secunderabab PB - National Institute for the Mentally Handicapped KW - Mentally Disabled Persons - - education KW - Mental Retarddation N2 - Mental Retarddation, Mentally Disabled Persons - - education ER -