BASSEY, F.; IWEGBUE, C.; OBI-IYEKE, G.; TESI, G.; ROTU, A.; GOBE, O.; TSAFE, A. Heavy Metals in Soils and Tomatoes Grown in Urban Fringe Environment in Asaba, Delta State, Nigeria. Nigerian Journal of Basic and Applied Sciences, [S. l.], v. 22, n. 1-2, p. 27–31, 2014. DOI: 10.4314/njbas.v22i1-2.5. Disponível em: https://www.ajol.info/index.php/njbas/article/view/110501. Acesso em: 11 oct. 2026.