The Aural System Being the Most Direct, the Straight-Line Method for the Simultaneous Fourfold Mastery of a Foreign Language.Charles Hardy

The Aural System Being the Most Direct, the Straight-Line Method for the Simultaneous Fourfold Mastery of a Foreign Language.

Name: The Aural System Being the Most Direct, the Straight-Line Method for the Simultaneous Fourfold Mastery of a Foreign Language.
Author: Charles Hardy

Charles Hardy · 2009

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Languages, Modern -- Study and teaching