Nayak, A. (2000). A textbook of mathematics & statistics P I XI (3rd.). Reliable.
Lua i Stíl Chicago (17ú heag.)Nayak, Anil. A Textbook of Mathematics & Statistics P I XI. 3rd. Mumbai: Reliable, 2000.
Lua MLA (9ú heag.)Nayak, Anil. A Textbook of Mathematics & Statistics P I XI. 3rd. Reliable, 2000.
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