TY - JOUR T1 - How Western Sovereignty Occludes Indigenous Governance: the Guarani and Kaiowa Peoples in Brazil JO - Contexto Internacional A1 - Urt, João Nackle SN - 0102-8529 UL - 10.1590/S0102-8529.2016380300007 VL - 38 Y1 - 2016 PB - Brazil ER -