TY - GEN TI - Orientation manual on mental retardation SN - ISBN 0-919648-10-x U1 - 362.3 PY - 1977/// CY - Kingston, 89 Old Hope Rd, Kgn. 6 PB - National Institute on Mental Retardation of Canada for Caribbean Institute on Mental Retardation and Developmental Disabilities KW - Mentally handicapped ER -