- https://kevcaz.github.io/Rmarkdowndocfr/
- https://github.com/KevCaz/Rmarkdowndocfr
- https://frbcesab.github.io/datatoolbox/exercises/rmarkdown/index.html#1
- https://rstudio.com/wp-content/uploads/2015/03/rmarkdown-reference.pdf
- https://github.com/inSileco/ResearchDown/blob/master/index.Rmd
- https://frbcesab.github.io/datatoolbox/courses/rmarkdown/index.html#17
- https://insileco.github.io/ResearchDown/#19
- https://nicolascasajus.fr/mastering-markdown/#67
