Azizah, Nur, Hamdi Hamdi, Syafriani Syafriani, and Letmi Dwiridal. “Determination of the Structure and Crystallite Size of Pumice Magnetic Minerals from Ngarai Sianok Using X-Ray Diffraction (XRD)”. Journal of Experimental and Applied Physics 2, no. 3 (December 31, 2024). Accessed January 28, 2025. https://jeap.ppj.unp.ac.id/index.php/jeap/article/view/86.