1. Abbud, B. (2017, 3 October). O grupo da mão invisível. Dois meses no WhatsApp do MBL. Retrieved from Piauí website: https://piaui.folha.uol.com.br/o-grupo-da-mao-invisivel/
2. Umbrella Movement;Social Media + Society,2019
3. Platform surveillance and resistance in Iran and Russia: The case of Telegram;Surveillance and Society,2019