Muarif, Muhamad Fajar, Yusril Yusuf, and Ade Irmadiki Agipa. “FTIR, XRD, and SEM-EDX Characterization of Synthesized B-Type Carbonated Hydroxyapatite (CHAp) Based on Crab Shells”. Journal of Energy, Material, and Instrumentation Technology 5, no. 1 (March 16, 2024): 35–42. Accessed November 26, 2025. http://jemit.fmipa.unila.ac.id/index.php/jurnal/article/view/241.