Module 4
Subtitle: percent, ratio, proportion
By: Thomas J. McHale, Paul T. Witzke.
Contributors: Witzke, Paul T., joint author.
Series: Their Arithmetic module series
Publisher: Addison-Wesley Pub. Co.
Published: 1975
Place of publication: Reading, Mass
Language: eng
Number of pages: 105
Subjects: Percentage -- Programmed instruction.; Ratio and proportion -- Programmed instruction.
Other titles: Module 4 : percent, ratio, proportion.; Percent, ratio, proportion.