Grimaldi, Ralph P. Discrete and combinatorial mathematics : an applied introduction / Ralph P. Grimaldi - 5th ed. - Noida: Pearson, c2019. - various pages: table, figs., ill.; 25 cm. Includes index. English ISBN: 9789353433055 Subjects--Topical Terms: MathematicsCombinatorial analysisAlgebra Dewey Class. No.: 511/GRD