
https://www.lobbycontrol.de/wp-content/uploads/LobbyControl-Jahresbericht_2022-2023.pdf

https://publications.parliament.uk/pa/cm201719/cmselect/cmcumeds/366/366.pdf

https://theconversation.com/tres-preguntas-fundamentales-para-saber-si-las-empresas-cumplen-su-proposito-224017