1980 - Essential Mathematics for Economists (Hardcover) → Paperback, Hardcover ISBN-13: 9780471276593 ISBN-10: 0471276596 ? 1980 - Essential Mathematics for Economists (Paperback) → Hardcover ISBN-13: 9780471276609 ISBN-10: 047127660X Genre: Science & Math ? 1973 - Essential Mathematics for Economists (Hardcover) → Paperback, Hardcover ISBN-13: 9780471077107 ISBN-10: 0471077100 Genre: Science & Math ? 1973 - Essential Mathematics for Economists (Hardcover) → Paperback, Hardcover ISBN-13: 9780471077138 ISBN-10: 0471077135 Genre: Science & Math ? |