Pustaka
- Aloysius Heru Danardatu., “Pengenalan Customer Relationship Management (CRM)”, IlmuKomputer, 2003.
- E-Business and E-Commerce Management-Chaffey - Unduh
- Gary P. Schneider, "Elektornik Ecoomerce", Course Techonology, ninthe 2011.
- Hossein Bidgoli, "Electonic Commerce, Principle and Practise", Aacademik 2002
- L.Beubien.,”IT Suppot of Organizational Performance Providence College, 2008.
- Oetomo, BSD. 2001 Perspektif e-Business Tinjauan Teknis, Manajerial dan strategi. Penerbit Andi. Yogyakarta
- Marshall B.Rombey., “Accounting Information System 9th Edition”. Prentice Hall, 2003
- Musthofa Hadi SE., “E-Business Introduction”, 2007
- REI eBook-ElectronicBusiness - Unduh