This is a topic under programming-languages.
Functional Programming in Haskell
onlinecourses.nptel.ac.inHaskell ITMO (2017)
github.comIntroduction to Haskell (2016)
seas.upenn.eduFunctional Programming in Haskell: Supercharge Your Coding
futurelearn.comStanford functional systems in Haskell (2014)
scs.stanford.eduAn introduction to Haskell Programming
onlinecourses.nptel.ac.inIntroduction To Haskell Programming
swayam.gov.inAdvanced Programming (2017)
seas.upenn.edu