ZUBAIDAH, Siti; M, Zulkifli. Mu. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 26, n. 2, p. 136–146, 2016. Disponível em: https://gssrr.org/JournalOfBasicAndApplied/article/view/5316. Acesso em: 14 sep. 2025.