WINAJI, M. A.; HANIF, M. F. .; SAHAN, N. .; NURMAWATI, A. .; KURNIATI, E. .; PUJIASTUTI, C. . Recovery of Manganese Dioxide (MnO₂) from Dry Cell Battery Waste via Microwave-Assisted Hydrometallurgy: A Mass Balance Study . International Journal of Eco-Innovation in Science and Engineering (IJEISE), [S. l.], v. 7, n. 01, p. 17–26, 2026. DOI: 10.33005/ijeise.v7i01.201. Disponível em: https://ijeise.upnjatim.ac.id/index.php/ijeise/article/view/201. Acesso em: 2 jun. 2026.