SAHNI, S. (1981). Concepts discrete mathematics. The Camelot pub.co.
Lua i Stíl Chicago (17ú heag.)SAHNI, Sartaj. Concepts Discrete Mathematics. Minnesota: The Camelot pub.co, 1981.
Lua MLA (9ú heag.)SAHNI, Sartaj. Concepts Discrete Mathematics. The Camelot pub.co, 1981.
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