ETHNOLINGUISTICS IN THE CONTEXT OF SUSTAINABILITY: THE REMAINING NATIVE LANGUAGES IN THE MUNICIPALITIES OF BENJAMIN CONSTANT AND SÃO PAULO DE OLIVENÇA IN THE ALTO-SOLIMÕES MICROREGION, AMAZONAS STATE. EIC. Published online November 20, 2025:1-19. Accessed April 21, 2026. https://periodicos.newsciencepubl.com/editoraimpacto/article/view/10225