SUN YONGCHUN, WANG KUNMEI. Basic Way to Prove That Two Angles Are Equal. CEMJP, [S. l.], v. 23, n. 2, p. 1–11, 2021. Disponível em: http://journals.kozminski.cem-j.org/index.php/pl_cemj/article/view/360. Acesso em: 23 nov. 2024.