ISA OSU, Usman; EDITH BOLANLE, Agbaji; HADIZA, Omenesa. Heavy metals assessment of soils in and around Kama-Otto and Kwotto artisanal mining of mica, cassiterite and tantalite in Nasarawa state, Nigeria. International Journal of Advanced Chemistry, [S. l.], v. 6, n. 2, p. 135–139, 2018. DOI: 10.14419/ijac.v6i2.10630. Disponível em: https://sciencepubco.com/index.php/IJAC/article/view/10630.. Acesso em: 30 apr. 2024.