Rokhim, D. A., A. W. Adid, F. K. Tyas, E. Ciptawati, and M. R. Asrori. “Utilization of Banana Stem Waste Extracts Assisted by Electrode of Cu/Mg As an Environmentally Friendly Electricity Producer”. Orbital: The Electronic Journal of Chemistry, Vol. 14, no. 1, Apr. 2022, pp. 40-44, https://periodicos.ufms.br/index.php/orbital/article/view/15500.