Pereira, Luiz Cláudio, Rogério Santos, e Ruthyelen Cristina Machado Freitas. “Analysis of the Centroid As a Critical Point of the Harmonic Mean Function in Triangles”. Sigmae 14, no. 4 (julho 25, 2025): 84–100. Acessado maio 27, 2026. https://publicacoes.unifal-mg.edu.br/revistas/index.php/sigmae/article/view/2640.