TANGEL PUBLISHING_Gross margin_By product_Social science books
Date:2012-09-11 Source:公司网站
zhangxu
Time frame: 2007 - 2011
Unit: %
Frequency: yearly
Source: Company website
Period | Amount |
2007 | ** |
2008 | ** |
2009 | ** |
2010 | ** |
2011 | ** |
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