BERIER, Hadeel; ELHAG, Ahmed. Investigation of Some Trace Elements and Heavy Metals Concentrations in Selected Sudanese Medicinal Plants. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 49, n. 1, p. 98–108, 2020. Disponível em: https://gssrr.org/JournalOfBasicAndApplied/article/view/10667. Acesso em: 1 oct. 2025.