Johnsonbaugh, R. (1987). Essential discrete mathematics. Macmillan.
Tohutoru Kātū Chicago (17th ed.)Johnsonbaugh, Richard. Essential Discrete Mathematics. New York: Macmillan, 1987.
Tohutoro MLA (9th ed.)Johnsonbaugh, Richard. Essential Discrete Mathematics. Macmillan, 1987.
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