Furqan, Alif Furqan, and Muhammad Revyyansyah. “Principle and Performance of Portable X-Ray Fluorescence (XRF) Analysis for Rock Geochemical Characterization Using Bruker S1 Titan 600”. Jurnal Riset Teknik Fisika 1, no. 2 (December 31, 2025): 79–84. Accessed September 23, 2026. https://journal.ar-raniry.ac.id/index.php/juritika/article/view/9324.