A. S. Ahmad Sabri, H. Md Rasid, R. Abd Rashid, U. K. Abdul Karim, M. S. Mohamed Subri, and M. I. Abdul Halim, “A Review of Laser-Induced Breakdown Spectroscopy (LIBS) for Document Examination: Fundamentals, Mechanism, and Application”, Curr. Appl. Sci. Technol., vol. 24, no. 3, p. e0257203, Feb. 2024.