00458nam a2200157Ia 4500003000500000008004100005020001500046040001900061082000700080100001600087245004600103260007200149300000900221546001200230700005800242STCL230729s9999    xx            000 0 und d  a8186594043  aSTCLcSTCLbEN  222  aMadhavan, T 0aMental retardation: a manual for guidance  bNational Institute for the Mentally HandicappedaSecunderabadc2007  a72 p  aEnglish  aKalyan, Manjula; Narayanan, Jayanti, Peshwarla, Reeta