Crisler, N., Fisher, P., & Froelich, G. (1994). Discrete mathematics through applications (2nd ed.). New York: W. H. Freeman and Company.
Παραπομπή Chicago StyleCrisler, Nancy, Patience Fisher, and Gary Froelich. Discrete Mathematics Through Applications. 2nd ed. New York: W. H. Freeman and Company, 1994.
Παραπομπή MLACrisler, Nancy, Patience Fisher, and Gary Froelich. Discrete Mathematics Through Applications. 2nd ed. New York: W. H. Freeman and Company, 1994.
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