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"Perfil do Estado" (in Portuguese). Macapá: Governo do Estado do Amapá. 2015. Archived from the original on 2 February 2015. Retrieved 2 February 2015.
"BR-156" (in Portuguese). Archived from the original on 12 September 2012. Retrieved 5 April 2021.
"Símbolos do Estado" (in Portuguese). Macapá: Governo do Estado do Amapá. 2015. Archived from the original on 2 February 2015. Retrieved 2 February 2015.
"Estado do Amapá". www.vexilologia.com.br (in Portuguese). Archived from the original on 4 March 2016. Retrieved 5 January 2016.