Barros, Jones Nogueira, Mario Vasconcellos Sobrinho, Ana Maria de Albuquerque Vasconcellos, y Airton Cardoso Cançado. 2019. «Social Observatory As a New Space for Civil Society and Government Relationships in Belém, Pará State, Brazilian Amazon». Interações (Campo Grande) 20 (3):725-36. https://doi.org/10.20435/inter.v20i3.1810.