Avondo-Bodino, Giuseppe
Economic applications of the theory of graphs / Giusepe Avondo-Bodino
Gordon and Breach, 1962
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Russell, Bertrand, 1872-1970
The principles of mathematics
George Allen and Unwin, 1956
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Burton, David M.
The history of mathematics : an introduction / David M. Burton
McGraw-HIl, 1996
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Craig, Robert T.
Modern principles of mathematics
Prentice-Hall, 1969
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Abbott, Janet S.
Mathematics today: curriculum and instruction/ Janet S. Abbot, david W. Wells
Harcourt Brace Javanovich, 1987
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