Chisanbop: finger calculation method--addition
Subtitle: home study book ; a new mathematical system
By: created by Sung Jin Pai ; developed by Hang Young Pai ; written by Edwin M. Lieberthal.
Publisher: Chissanbop  Enterprises; distributed to the book trade by Van Nostrand Reinhold
Published: 1978
Place of publication: Mount Vernon, N. Y; New York
Language: eng
Number of pages: 80
Subjects: Arithmetic
Notes: 98200