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• http://excelans.wordpress.com/
• http://excelindo.blogspot.com/
• http://excelquotient.wordpress.com/
• http://opi.110mb.com/excelweb/index.htm
• http://priatna.or.id/tag/excel/
• http://tech.groups.yahoo.com/group/belajar-excel/
• http://tech.groups.yahoo.com/group/XL-mania/
• http://www.xl-mania.com/