“Algebraic Estimation of Apothems in Regular Polygons Using Linear Regression and Bootstrap Optimization”. C.Q.D. - Revista Eletrônica Paulista de Matemática 26 (September 4, 2025): e26009. Accessed October 12, 2025. https://sistemas.fc.unesp.br/ojs/index.php/revistacqd/article/view/498.