Heavy Metal Concentrations in Various Species of Onion Bulbs in (Allium Spp.) Lapai Market, Niger State, Nigeria. Communication In Physical Sciences, [S. l.], v. 7, n. 2, p. 134–139, 2021. Disponível em: https://journalcps.com/index.php/volumes/article/view/576. Acesso em: 3 jul. 2026.