Geochemical Distribution of Copper and Zinc in the Aquatic Sediment of Nyolo Spring Water at Karangploso Malang East Java. The Journal of Pure and Applied Chemistry Research, [S. l.], v. 8, n. 1, p. 62–72, 2019. DOI: 10.21776/ub.jpacr.2019.008.01.443. Disponível em: https://jpacr.ub.ac.id/index.php/jpacr/article/view/443. Acesso em: 25 mar. 2025.