Kerala Niyamasabha Secretariat. (1975). Nalaam Kerala niyamasabha: Ancham varshikam. Government of Kerala.
Παραπομπή Chicago StyleKerala Niyamasabha Secretariat. Nalaam Kerala Niyamasabha: Ancham Varshikam. Government of Kerala, 1975.
Παραπομπή MLAKerala Niyamasabha Secretariat. Nalaam Kerala Niyamasabha: Ancham Varshikam. Government of Kerala, 1975.
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