Narayan Chandra Pati. (2006). Causes, prevention, identification and assessment of mental retardation. Kanishka.
Παραπομπή Chicago StyleNarayan Chandra Pati. Causes, Prevention, Identification and Assessment of Mental Retardation. New Delhi: Kanishka, 2006.
Παραπομπή MLANarayan Chandra Pati. Causes, Prevention, Identification and Assessment of Mental Retardation. Kanishka, 2006.
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