SOME MATERIALS DOWNLOADABLE FROM THE INTERNET
Simon, C. P. and L. Blume, 1994, Mathematics for Economists, New York: W. W. Norton & Company.
Dixit, A. K., 1990, Optimization in Economic Theory, 2nd ed. Oxford: Oxford University Press
Harrison and Waldron - Mathematical Economics and Finance
Mavron - Elements of Mathematics for Economics and Finance (Springer, 2007)
Rosser - Basic Mathematics for Economists (Routledge 2003 Second.Edition)
Sydsaeter, Strom and Breck - Economists' Mathematical Manual, 4th Edition, Springer (2005)