You can stream full playlists of Aula Internacional 2 tracks directly on SoundCloud for free.

Stream Aulainternacional2audio | Listen to podcast episodes online for free on SoundCloud. SoundCloud·Aulainternacional2audio Aula Internacional 2 - SoundCloud

The following repositories offer ZIP archives containing the full set of MP3 audio tracks for offline use:

Use the Library CD method for ripping. Use the Campus Difusión paid subscription for quality (best value).