More from this Author
Found 3 books by Jakow Trachtenberg
The Trachtenberg Speed System of Basic Mathematics
by Jakow Trachtenberg, Ann Cutler (Translator), Rudolph McShane (Adapted by), Sam Sloan (Foreword by)
The Trachtenberg Speed System of Basic Mathematics
by Jakow Trachtenberg, Ann Cutler (Translator), Rudolph McShane (Translator)
Speed System of Basic Mathematics
by Jakow Trachtenberg, A. Cutler (Translator), R. McShane (Translator)