Nitrogen Sorption Isotherms of Biologically Synthesized Non-stoichiometric Hydroxyapatite Nanoparticles (HAp NPs) Extracted from Fish Bones. Global Journal of Science Frontier Research, [S. l.], v. 21, n. C2, p. 25–37, 2021. DOI: 10.34257/GJSFRCVOL21IS2PG25. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/2941. Acesso em: 12 aug. 2026.