A programmed introduction to number systems
By: [by] Irving Drooyan [and] Walter Hadel.
Contributors: Hadel, Walter, joint author.
Edition: 2d ed.
Publisher: Wiley; John Wiley & Sons
Published: 1972
Place of publication: New York
Language: eng
Number of pages: 283
Subjects: Number theory -- Programmed instruction.
Notes: Bibliography: p. 240.