Some fixed point theorem using non- expansive mapping in b-metric space. Siddhanta’s International Journal of Physics, Chemistry, Mathematics , [S. l.], v. 2, n. 1, p. 115–118, 2026. Disponível em: https://siddhantainternationalpublication.com/index.php/sijpcm/article/view/48. Acesso em: 23 sep. 2026.