Causes, prevention, identification and assessment of mental retardation Pati, Narayan Chandra creator Edited by P.Jayachandra, Sumit Roy text New Delhi Rehabilitation Council of India, & Kanishka Publishers & Distributors 2006 1st edn. monographic 137 p. : ill ; 22 cm. Narayan Chandra Pati Mental retardation Causes Disability Study guide Mental retardation Prevention Disability Study guide Mental retardation Identification Disability Study guide Mental retardation Assessment Disability Study guide 362.3 PAT 8173918635