Health Risk Assessment of Heavy Metals in Soil Samples around Maiganga Coal Mine site and Kumo Town in Akko Local Government, Area of Gombe State . Jewel Journal of Scientific Research, [S. l.], v. 4, n. 1-2, p. 122–130, 2019. Disponível em: https://jjsr.org/index.php/jjsr/article/view/26. Acesso em: 27 oct. 2026.