ASHIKA T S; DR. ASHA S. RADIO ANTIPODAL CONTRA HARMONIC MEAN GRAPHS. Utilitas Mathematica , [S. l.], v. 122, n. 2, p. 1505–1508, 2025. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/2886. Acesso em: 7 may. 2026.