\begin{itemize}
\item much content was borrowed or is based on the haskell course from Brent Yorgey:\\ \url{https://www.seas.upenn.edu/~cis194/fall14/spring13/lectures.html}
\item a few small pieces from the LYAH book \url{http://learnyouahaskell.com}
\item general information from wikipedia: \\ \url{https://en.wikipedia.org}
\item general information from haskell wiki: \\ \url{https://wiki.haskell.org}
\end{itemize}