00486nam a22001337a 4500 18554 18554 616.858 8 SUB Subba Rao, T. A. Manual on developing communication skills in mentally retarded persons : a UNICEF supported research project / T. A. Subba Rao Secunderabad : National Institute for the Mentally Handicapped, 1992. 381 p. Communication skills Mental retardation Mental retardation STS 0 0 0 0 AIISH AIISH 2022-04-20 0 616.858 8 SUB R90 2022-04-20 00:00:00 2022-04-20 RB 0 0 0 0 AIISH AIISH 2022-06-06 0 616.858 8 SUB R91 2022-06-06 00:00:00 2022-06-06 RB