Singhi, N. (1997). Topics in discrete mathematics: Codes , tableaus, designs and graphs. New Age International.
शिकागो स्टाइल उद्धरणSinghi, N.M. Topics in Discrete Mathematics: Codes , Tableaus, Designs and Graphs. Delhi: New Age International, 1997.
एमएलए उद्धरणSinghi, N.M. Topics in Discrete Mathematics: Codes , Tableaus, Designs and Graphs. New Age International, 1997.
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