Ravi Kumar, R. (1994). Proceedings of the Sixth Kerala Science Congress. State Committee on Science technology and environment.
शिकागो स्टाइल उद्धरणRavi Kumar, R. Proceedings of the Sixth Kerala Science Congress. Thiruvananthapuram: State Committee on Science technology and environment, 1994.
एमएलए उद्धरणRavi Kumar, R. Proceedings of the Sixth Kerala Science Congress. State Committee on Science technology and environment, 1994.
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