Investigation of heavy metals on water quality and sediment: A case study Bireuen, Aceh Utara and Lhokseumawe City. Jurnal Kimia Valensi, [S. l.], v. 6, n. 2, p. 177–184, 2021. DOI: 10.15408/jkv.v6i2.15745. Disponível em: https://journal.uinjkt.ac.id/valensi/article/view/15745. Acesso em: 10 may. 2026.