祝大家新年快乐，新年吉祥！

期待新的一年，期待sap的学习有新的进步，为大家收集更多资料，也谢谢大家一直对我的鼓励！ 

http://searchsap.techtarget.com/expert/KnowledgebaseAnswer/0,289625,sid21_gci1240912_tax299335,00.html?bucket=ETA&topic=299335

http://www.dimension-infotech.com/download/download/sap/sap%20%E6%9D%83%E9%99%90%E7%9A%84%E8%AE%BE%E5%AE%9A.ppt#298,32,Role的建立—完全新建
http://www.17xie.com/read.php?pid=20347

http://www.sapsh.com/bbsxp/UpFile/UpAttachment/2007-8/20078983538.doc