ESI, A.; SUBRAMANIAN, N. Wijsman Rough Statistical Convergence on Triple Sequences. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 32, n. 3, p. 13–27, 2017. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/7103. Acesso em: 13 sep. 2025.