[Haskell-beginners] graphics.ui.wxcore

Hi, Could someone please explain how to intall this. I have installed ghc and gtk2Hs and tried running small programs to get an idea of the gui system in Haskell. It keeps telling me cannot find graphics.ui.wxcore. Module failed etc. I just very recently started to learn Haskell. ( I need an idea for my final year project which at this moment is on functional programming and want to find advantages/disadvantages of the gui system in Haskell) Regards John