http://www.360doc.com/content/11/0630/16/4960040_130614167.shtml 

http://www.woshipm.com/tag/需求分析
http://wenku.baidu.com/view/53d8258dec3a87c24028c4db.html
http://wenku.baidu.com/view/cee02cd1ce2f0066f53322ee.html
http://www.chinaz.com/manage/2015/0727/427228.shtml 
http://www.woshipm.com/pd/83823.html
供参考  我们一起学习