GEBRETSADIK, T. T.; GEBREMEDHIN, T. K. Structural studies of natural zeolites and optimizations for water hardness softening media. Journal of Metals, Materials and Minerals, Bangkok, Thailand, v. 30, n. 1, 2020. DOI: 10.55713/jmmm.v30i1.578. Disponível em: https://jmmm.material.chula.ac.th/index.php/jmmm/article/view/578. Acesso em: 9 oct. 2024.