Tài liệu tham khảo WikiPedia: Flutter (phần mềm) http://flutter.io https://www.apptunix.com/whats-new-in-googles-flut... https://arstechnica.com/gadgets/2015/05/googles-da... https://arstechnica.com/gadgets/2017/05/googles-fu... https://flutterawesome.com/ https://fluttercorner.com/ https://github.com/flutter/flutter https://github.com/flutter/flutter/releases/tag/v0... https://github.com/flutter/flutter/releases/tag/v1... https://github.com/flutter/flutter/wiki/Changelog
