Seven sevens are fifty?
Subtitle: mathematics for the real world.
Contributors: Shell Centre for Mathematical Education.
Publisher: Shell Centre forMathematical Education
Published: 1978
Place of publication: Nottingham
Language: eng
Number of pages: 33
Notes: "Based on the Inaugural lecture by Hugh Burkhardt, professor of Mathematical Education, University of Nottingham, 21st October 1977" -p.[3]