
https://institute.global/sites/default/files/articles/Protests-and-Polling-Insights-From-the-Streets-of-Iran-How-Removal-of-the-Hijab-Became-a-Symbol-of-Regime-Change.pdf

https://theconversation.com/alexander-von-humboldt-el-naturalista-que-se-arruino-por-contar-la-importancia-de-la-naturaleza-229577

https://www.uni-muenster.de/imperia/md/content/kfg-normenbegruendung/intern/publikationen/bayertz/16_bayertz_-_menschliche_natur.pdf