Hadi Kusuma, Hamdan. “X-Ray Diffraction and Density Distribution Measurements on the Al2O3 Crystals Grown by Czochralski Method With Different Pull Rate”. Journal of Natural Sciences and Mathematics Research 1, no. 1 (December 31, 2022): 1–4. Accessed June 6, 2025. https://journal.walisongo.ac.id/index.php/JNSMR/article/view/475.