Pati, Narayan Chandra Dse (MR) manual : Causes, prevention, identification and assessment of mental retardation / Narayan Chandra Pati - 1st edn. - New Delhi : Rehabilitation Council of India, & Kanishka Publishers & Distributors 2006 - 137 p. : ill ; 22 cm. ISBN: 8173918635 Subjects--Topical Terms: Mental retardation--Causes--Disability--Study guideMental retardation--Prevention--Disability--Study guideMental retardation--Identification--Disability--Study guideMental retardation--Assessment--Disability--Study guide Dewey Class. No.: 362.3 PAT