http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Schaum's outline of theory and problems of introduction to mathematical economics
This book contains over 1600 problems about Economic Applications of Graphs and Equatations; The Derivative and the Rules of Differentiation; Uses of the Derivative in Mathematics and Economics; Calculus of Multivariable Functions; Calculus of Multivariable Functions in Economics....