Rai, U., & Rai, S. M. (2010). Business communication. Himalaya Pub. House.
Tohutoru Kātū Chicago (17th ed.)Rai, Urmila, me S. M. Rai. Business Communication. Mumbai: Himalaya Pub. House, 2010.
Tohutoro MLA (9th ed.)Rai, Urmila, me S. M. Rai. Business Communication. Himalaya Pub. House, 2010.
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