Executive Training Center
12th fevereiro 2019
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The Callan Method is taught at Callan Method Accredited Schools where you can be sure that the Method is being taught correctly so that you will learn efficiently.
In addition to our range of books and eBooks, you will also have access to our exclusive online platform, with interactive exercises, video dictations and a record-your-voice pronunciation checker, plus audio recordings of all the course material.Find a School