KRISHNAN, Ganesan; NURUL BADRINA AIMAN RASHIDI; ZAKIRAH BUHARI. Beetroot Extract as Fluorescence Probes for Copper Ion Detection in Aqueous Solution. International Journal of Sustainable Engineering Innovations, [S. l.], v. 1, n. 1, p. 6–10, 2025. DOI: 10.58723/ijsei.v1i1.3. Disponível em: https://e-journal.gomit.id/ijsei/article/view/3. Acesso em: 3 feb. 2026.