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

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Hardy, Charles
Hōputu: Pukapuka
Reo:Undetermined
I whakaputaina: 6/19/09
Ngā marau:
Urunga tuihono:https://www.gutenberg.org/ebooks/29163
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