Mayora, D. C., D. Triyono, M. Shiddiq, R. A. Rafsanjani, and A. F. F. Alaih. “Sensitive Detection of Rhodamine B Using Surface Enhanced Raman Spectroscopy With a BiFeO3 Based Substrate”. Journal of Engineering and Technological Sciences, vol. 57, no. 6, Nov. 2025, pp. 875-84, doi:10.5614/j.eng.technol.sci.2025.57.6.10.