Update 7.1_Official_Documentation_and_Guides.md (#26)

7_External_Resources_and_Links/7.1_Official_Documentation_and_Guides.md

@@ -39,4 +39,4 @@ Understanding and monitoring the performance of your Flutter apps is essential.
 [**Flutter Samples**](https://github.com/flutter/samples): A GitHub repository filled with Flutter samples, including various testing examples.
 
 ## Conclusion
-Embracing the wealth of official documentation and guides is a surefire way to enhance your Dart and Flutter testing skills. While other resources, tutorials, and community contributions are valuable, the official docs act as a cornerstone for understanding and best practices.
+Embracing the wealth of official documentation and guides is a surefire way to enhance your Dart and Flutter testing skills. While other resources, tutorials, and community contributions are valuable, the official docs act as a cornerstone for understanding and best practices. [Next](/7_External_Resources_and_Links/7.2_Recommended_Books_and_Courses.md)