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    Shun Ho K.
    US
    Shun Ho K.

    I like/hope to have some online exercises such as hands on experiment which you can practice online.

    Emmanuel N.
    ZW
    Emmanuel N.

    ju st fine and ok

    Emmanuel N.
    ZW
    Emmanuel N.

    why the red button not changing whilist I"M THOROUGH WITH THE TOPIC

    Adri C.
    ZA
    Adri C.

    Way to many advertisements going on!

    Mohamed S.
    SO
    Mohamed S.

    intresting thanks

    محمد ا.
    SA
    محمد ا.

    Thanks

    Mercy K.
    KE
    Mercy K.

    i would like to start this course but am unable please help

    Mercy K.
    KE
    Mercy K.

    how do i start this course iam unable to

    Potuan S.
    PG
    Potuan S.

    i hope i'll find it interesting

    Gina Grace A.
    PH
    Gina Grace A.

    well taught

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