Formulation and Physicochemical Characterization of Guava (Psidiumguajava L.) Leaf Extract-Loaded Chitosan Nanoparticles. Jurnal Riset Kefarmasian Indonesia, [S. l.], v. 8, n. 2, p. 189–198, 2026. DOI: 10.33759/nq2rzz42. Disponível em: http://jurnalfarmasi.or.id/index.php/jrki/article/view/999. Acesso em: 6 nov. 2026.