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Guanzhong Du

Guanzhong Du
gd2492@columbia.edu
 
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1022 International Affairs Building (IAB)
Mail Code 3308  
420 West 118th Street
New York, NY 10027
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Ph: (212) 854-3680
Fax: (212) 854-0749
econ-info@columbia.edu
Business Hours:
Mon–Fri, 9:00 a.m.–5:00 p.m.
©2018 Columbia University |  Accessibility | Nondiscrimination 

1022 International Affairs Building (IAB)

Mail Code 3308

420 West 118th Street

New York, NY 10027

Ph: (212) 854-3680
Fax: (212) 854-0749
econ-info@columbia.edu  
Business Hours:
Mon–Fri, 9:00 a.m.–5:00 p.m.