Is it Ok to use the older version of the materials?

This topic has 0 replies, 1 voice, and was last updated 8 years, 3 months ago by xxtinaxx1988.

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January 11, 2016 at 4:25 am #199455

xxtinaxx1988
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The version of the materials I have is from 2014. Is it better to buy the latest edition or this 2014 edition just works fine? Thank you.

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