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CERTIFICATE
NOVEMBER 18, 2015
勁淳 張
HTML, CSS and JavaScript
an online non-credit course authorized by The Hong Kong University of Science and
Technology and offered through Coursera
has successfully completed
David Rossiter
Associate Professor of Engineering Education
Computer Science and Engineering
Verify at coursera.org/verify/MVWHHQG7TAS5
Coursera has confirmed the identity of this individual and
their participation in the course.