About Me
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Name
Mark Chang
Contact
Email: ckmarkoh@gmail.com
Github: https://github.com/ckmarkoh
Facebook: https://www.facebook.com/ckmarkoh.chang
Linkedin: https://www.linkedin.com/pub/mark-chang/85/25b/847
Slideshare: http://www.slideshare.net/ckmarkohchang
Youtube: https://www.youtube.com/channel/UCckNPGDL21aznRhl3EijRQw