# Reference

1. [Probability Tree Diagrams. Recursion Schemes. Why Finding the Right Solution is Sometimes Hard?](https://rpeszek.github.io/posts/2021-07-18-prob-tree-scheme.html)
1. [Unifying Structured Recursion Schemes](https://www.cs.ox.ac.uk/people/nicolas.wu/papers/URS.pdf)
1. http://maartenfokkinga.github.io/utwente/mmf91m.pdf
1. http://blog.sumtypeofway.com/an-introduction-to-recursion-schemes/
1. http://blog.sumtypeofway.com/recursion-schemes-part-2/
1. http://blog.sumtypeofway.com/recursion-schemes-part-iii-folds-in-context/
1. http://blog.sumtypeofway.com/recursion-schemes-part-iv-time-is-of-the-essence/
1. http://comonad.com/reader/2009/recursion-schemes/
1. [Peeling the Banana: Recursion Schemes from First Principles - Zainab Ali](https://www.youtube.com/watch?v=XZ9nPZbaYfE)
1. https://github.com/passy/awesome-recursion-schemes
1. [YOW! Lambda Jam 2018 - Amy Wong - Introduction to recursion scheme](https://www.youtube.com/watch?v=YnqPdlJd38o)
1. https://bartoszmilewski.com/2018/08/20/recursion-schemes-for-higher-algebras/
1. https://blog.sumtypeofway.com/recursion-schemes-part-6-comonads-composition-and-generality/
1. https://chrilves.github.io/hugo/posts/recursion_schemes_intro/
1. [Recursion Schemes: A Field Guide (Redux)](http://comonad.com/reader/2009/recursion-schemes/)