- https://jungleworks.com/tookan/features/
- https://www.phptpoint.com/projects/courier-management-system-free-download/#:~:text=Courier%20Management%20System%20is%20the,project%20will%20have%20different%20modules.&text=During%20billing%20process%2C%20system%20generates%20a%20consignment%20number%20for%20their%20products.
- https://www.phptpoint.com/projects
- https://www.sagarinfotech.com/Product.aspx/3/Courier-Management-Software
- https://services.lovelycoding.org/courier-management-system/
- http://www.anjanicourier.in/
- https://www.cargoerp.in/Courier-Booking-Management-Software.html
- https://medium.com/flutter/announcing-flutter-1-22-44f146009e5f
- https://medium.com/flutter-community/build-responsive-uis-in-flutter-fd450bd59158
- https://medium.com/flutter/learning-flutters-new-navigation-and-routing-system-7c9068155ade
- https://medium.com/flutter/learning-flutters-new-navigation-and-routing-system-7c9068155ade
- https://api.flutter.dev/flutter/widgets/AspectRatio-class.html
- https://api.flutter.dev/flutter/widgets/LayoutBuilder-class.html
- https://medium.com/flutter-community/developing-for-multiple-screen-sizes-and-orientations-in-flutter-fragments-in-flutter-a4c51b849434
- https://medium.com/flutter-community/making-cross-platform-flutter-landing-page-responsive-7fffe0655970