Analysis of heavy metal concentrations of ofia-imoka river inAwka town Southeast Nigeria for domestic purposes. Jurnal Pesona Indonesia, [S. l.], v. 2, n. 2, p. 24–30, 2024. DOI: 10.71436/jpi.v2i2.39. Disponível em: https://pesona.tpi.or.id/index.php/pesona/article/view/39. Acesso em: 15 oct. 2026.