Ramakrishna pillai,K. Samkhyika Nighantu: Dictionary of statistics. State institute of languages.
शिकागो स्टाइल उद्धरणRamakrishna pillai,K. Samkhyika Nighantu: Dictionary of Statistics. Thiruvananthapuram: State institute of languages.
एमएलए उद्धरणRamakrishna pillai,K. Samkhyika Nighantu: Dictionary of Statistics. State institute of languages.
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