diff --git a/Readme.md b/Readme.md
index 1e47e8d..7477e64 100644
--- a/Readme.md
+++ b/Readme.md
@@ -95,6 +95,7 @@ Color quantization ![](https://github.com/JustGlowing/minisom/raw/master/example
Other tutorials
------------
- Self Organizing Maps on the Glowing Python
+- How to solve the Travelling Salesman Problem from the book Optimization Algorithms:Optimization Algorithms: AI techniques for design, planning, and control problems. Manning Publications, 2023.
- Lecture notes from the Machine Learning course at the University of Lisbon
- Introduction to Self-Organizing by Derrick Mwiti
- Self Organizing Maps on gapminder data [in German]