diff --git a/README.md b/README.md
index e8f3706..e104976 100644
--- a/README.md
+++ b/README.md
@@ -45,4 +45,9 @@ Articles
 ### Know your git
 
 * [Git Cheat Sheet](https://github.com/arslanbilal/git-cheat-sheet)
-* [git-tips](https://github.com/git-tips/tips)
\ No newline at end of file
+* [git-tips](https://github.com/git-tips/tips)
+
+### Know how to debug
+
+* [Rubber Duck Problem Solving](http://blog.codinghorror.com/rubber-duck-problem-solving/)
+* [5 Whys](https://en.wikipedia.org/wiki/5_Whys)