HERIANSYAH, Pebra; LIWANDA, Novian; NURCHOLIS, Waras. Optimization of Black Orchid (Coelogyne pandurata Lindl.) Extraction Using Simplex-Centroid Design for Total Phenolics, Flavonoids, and Antioxidants. Jurnal Jamu Indonesia, [S. l.], v. 11, n. 1, p. 66–71, 2026. DOI: 10.29244/jji.v11i1.457. Disponível em: https://jamu-journal.ipb.ac.id/index.php/JJI/article/view/457. Acesso em: 19 mar. 2026.