by Jakow TrachtenbergHardcover details (UK). details (Germany).
ISBN: 978-0-313-23200-8 ISBN-10: 0-313-23200-8 Praeger · 1982 |
See also: | ||
2011 | ペーパーバック | The Trachtenberg Speed System of Basic Mathematics |
1989 | Paperback | The Trachtenberg Speed System of Basic Mathematics |
1989 | Hardcover | The Trachtenberg Speed System of Basic Mathematics |