Information Technology Controls
Check digit (from Wikipedia)
Data validation (from Wikipedia)
Spooling (from Wikipedia)
Hamming code (from Wikipedia)
Black box testing White box testing Software testing (from Wikipedia)
SAP: Business Process Controls and AIS
ERP Systems: Audit and Control Risks
SAP BASIS and Security Administration
Building the E-Business Backbone: Enterprise Resource Planning (Chapter 8 of Kalakota & Robinson)