Updating history – 100 years of radio in São Paulo: SQIG – Sociedade Rádio Educadora Paulista and PRA-6 Rádio Gazeta. Intercom [Internet]. 2023 Dec. 7 [cited 2025 Nov. 25];46:e2023123. Available from: https://revistas.intercom.org.br/index.php/revistaintercom/article/view/4563