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Yang Liu

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Latest activity by Yang Liu
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    Yang Liu created a post,

    Is amber book adequate for PPD?

    I pass PPD yesterday and now I am heading to PDD. I think amber book helped me a lot on PPD and I love it. However, what's provided for PDD in amber book is exactly the same for PPD.  Can any of th...

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    Yang Liu commented,

    I am interested in subscribe to amber book for a month or two. I have two tests to take, PPD, and PDD. I sent you an email. Let me know if you are still looking for someone. Thanks.