diff --git a/README.md b/README.md
index 6d2886c..4602bf2 100644
--- a/README.md
+++ b/README.md
@@ -35,9 +35,9 @@ An updated and curated list of selected readings to illustrate High Scalability,
 * [On Efficiency, Reliability, Scaling - James Hamilton, VP at AWS](http://mvdirona.com/jrh/work/)
 * [Principles of Chaos Engineering](https://www.usenix.org/conference/srecon17americas/program/presentation/rosenthal)
 * [Finding the Order in Chaos](https://www.usenix.org/conference/srecon16/program/presentation/lueder)
-* [Clean Architecture - Uncle Bob](https://8thlight.com/blog/uncle-bob/2012/08/13/the-clean-architecture.html)
-* [Code Review Best Practices at Palantir](https://medium.com/@palantir/code-review-best-practices-19e02780015f)
 * [The Twelve-Factor App](https://12factor.net/)
+* [Clean Architecture](https://8thlight.com/blog/uncle-bob/2012/08/13/the-clean-architecture.html)
+* [High Cohesion and Low Coupling](http://www.math-cs.gordon.edu/courses/cs211/lectures-2009/Cohesion,Coupling,MVC.pdf)
 * [CAP Theorem and Trade-offs](http://robertgreiner.com/2014/08/cap-theorem-revisited/)
 * [CP Databases and AP Databases](https://blog.andyet.com/2014/10/01/right-database)	
 * [Scale Up vs Scale Out](https://www.brianjgraf.com/2013/05/17/scalability-scale-up-scale-out-care/)
@@ -82,6 +82,7 @@ An updated and curated list of selected readings to illustrate High Scalability,
 * [Design for Scaling Out](https://docs.microsoft.com/en-us/azure/architecture/guide/design-principles/scale-out)	
 * [Design for Evolution](https://docs.microsoft.com/en-us/azure/architecture/guide/design-principles/design-for-evolution)	
 * [Learn from Mistakes](http://highscalability.com/blog/2013/8/26/reddit-lessons-learned-from-mistakes-made-scaling-to-1-billi.html)
+* [Code Review Best Practices at Palantir](https://medium.com/@palantir/code-review-best-practices-19e02780015f)
 
 ## Scalability
 * [Microservices and Orchestration](https://hackernoon.com/microservices-are-hard-an-invaluable-guide-to-microservices-2d06bd7bcf5d)