Facile Chemical Processing of Geloina coaxans Shell and Sodium dihydrogen Phosphate as Precursors to Produce Hydroxyapatite. Jurnal Kimia Valensi, [S. l.], v. 6, n. 2, p. 192–197, 2021. DOI: 10.15408/jkv.v6i2.15768. Disponível em: https://journal.uinjkt.ac.id/valensi/article/view/15768. Acesso em: 20 feb. 2026.