- Headfirst into Haskell - Abby Sassel
- Resource - https://github.com/sassela/haskell-learning
- Testing in the World of Functional Programming - Luka Jacobowitz
- functional-lenses
- Trip with monads - Pawel Szulc
- Functional Lenses - Flavio Corpa
- Build your own monads - Alejandro Serrano Mena
- Boring usecases for exiting types - Itamar Ravid