TY - BOOK T1 - Mental retardation nature, cause, and management A1 - Baroff, George S LA - English PP - Washington PB - Hemisphere Pub. YR - 1986 ED - 2nd ed. UL - https://ds.mainlib.upd.edu.ph/Record/UP-99796217601923886 OP - 541 CN - RC 570 B27 1986 KW - Mental deficiency. KW - Mentally handicapped : Care and treatment. ER -