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## 6 Further Reading

Additional resources for the assessment and enhancement of accessibility in Oracle APEX apps include the following documents.

- Oracle's Accessibility Program - General information about accessibility at Oracle.
- Plug-ins - Plug-ins enable developers to readily extend applications with custom item types, region types, processes, and dynamic actions. Once defined, plug-in based components are created and maintained very much like standard APEX components.
- Universal Theme Sample App - Sample app hosted on apex.oracle.com with information about Universal Theme, including a Migration Guide to move from older themes.