참고문헌
- Haskell Language, https://www.haskell.org/
- Peyton Jones, "Tackling the awkward squad: monadic input/output, concurrency, exceptions, and foreign-language calls in Haskell," ln Engineering Theories of Software Construction, 2002.
- Brent Yorgey, "Typeclassopedia", In Monad Reader, issue 13, 2011.
- Graham Hutton, Programming in Haskell, Cambridge University Press, 2016.
- Miran Lipovaca, Learn You a Haskell for Greate Good!, No Scratch Press, 2011.
- Category Hask, https://en.wikibooks.org/wiki/Haskell/Category_theory
- Industrial Haskell Group, http://industry.haskell.org/
- James Iry, "Monads are Elephants" http://james-iry.blogspot.kr/2007/09/monads-are-elephants-part-1.html