http://www.hec.ca/en/case_centre/catalogue/definitions_guides/Guide_Writing_TN.pdf
http://www.erim.eur.nl/fileadmin/centre_content/case_development_centre/How_to_Write_a_Good_Teaching_Note.pdf
http://www.emeraldgrouppublishing.com/products/new/pdf/How-To-Write-A-Teaching-Note.pdf
http://www.thecasecentre.org/educators/submitcases/guidance/teachingnotes
http://sitios.itesm.mx/va/dide2/tecnicas_didacticas/casos/escritura7.htm
https://casestudies.anzsog.edu.au/teaching-interactively/teaching-notes-and-teaching-plans
https://www.thecasecentre.org/educators/submitcases/guidance/teachingnotes
http://repositorio.uchile.cl/handle/2250/108126