Programmed learning aid for using the metric system (Irwin Programmed Learning Aid series)

Name: Programmed learning aid for using the metric system (Irwin Programmed Learning Aid series)
Author: Roger H. Hermanson

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Metric systemProgrammed instruction

Programmed learning aid for using the metric system (Irwin Programmed Learning Aid series) by Roger H. Hermanson — book · Vinony