Sap Certification?

http://priyasapient.blogspot.com/2009_01_01_archive.html

http://priyasapient.blogspot.com/2009/01/sap-sd-certification-material.html

http://sapcertification-sapcertification.blogspot.com/

http://sapmaterial.hpage.com/

http://www.sapcertification.info/viewpage.php?page_id=50

http://www.sapcertification.info/viewpage.php?page_id=87

http://www.sap123.com/articles/

http://www.sapstudymaterials.com/2007/12/table-of-contents.html