https://www.forbes.com/sites/quora/2018/01/24/when-is-haskell-more-useful-than-r-or-python-in-data-science/

https://datasciencetexts.com/

https://jack-vanlightly.com/blog/2019/1/27/building-a-simple-distributed-system-formal-verification

http://pbpython.com/excel-diff-pandas-update.html

https://phys.org/news/2019-01-metallic-wood-strength-titanium-density.html

https://stackabuse.com/understanding-recursive-functions-with-python/

https://kanoki.org/2019/02/02/learn-sql-for-data-science/