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Pascal - Quick Guide. Disponível em: https://www.tutorialspoint.com/pascal/pascal_quick_guide.htm.
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JENSEN, K.; WIRTH, N. PASCAL User Manual and Report. [s.l.] Springer, 2013.
A Gentle Introduction to Haskell, Version 98. Disponível em: https://www.haskell.org/tutorial/.
Code Examples. Disponível em: https://oberon-lang.github.io/.