User talk:Ruisi Shang
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Revision as of 22:18, 8 September 2013 by Steven Wasserman (Talk | contribs)
Welcome to 20.309 Course Miki! We hope you will contribute much and well. You will probably want to read the help pages. Again, welcome and have fun! Steven Wasserman 18:18, 8 September 2013 (EDT)