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4.6(215 個評分)

  • 5 stars
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  • 3 stars
    4.65%
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  • 1 star
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AJ

2020年5月22日

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A great learning experience. I teach Cryptography in my Institution and this course helped me gain additional insights on the course.

DL

2020年8月3日

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course design is brilliant. assignment questions are wonderful. peer review , flash quiz amazing.

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Classical Cipher: Substitution

教學方

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    Sang-Yoon Chang

    Assistant Professor

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