Ahmad Sabri, A. S., 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”. CURRENT APPLIED SCIENCE AND TECHNOLOGY, vol. 24, no. 3, Feb. 2024, p. e0257203, doi:10.55003/cast.2024.257203.