The link to the course material does not work, or is giving me an error

To give authors proper credit for their work, we provide a secure link to the source of an author’s material. When the author moves or changes the website where the material is hosted you may get a "page not found" error. If this happens please email us by using the

page under the Resources tab or call our support team at 1-877-248-6789 and we can provide the correct course material as soon as possible. 

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