Schneider, A.V. e Koche, M.I. 2019. SUSTAINABILITY OF PERMANENT PRESERVATION AREAS (PPAS): A MATHEMATIC APPROACH OF WHITE ANGICO (Anadenanthera colubrina). Revista Americana de Empreendedorismo e Inovação. 1, 2 (out. 2019). DOI:https://doi.org/10.33871/26747170.2019.1.2.3117.