RINIATI; ENDANG WIDIASTUTI; ARI MARLINA; TAUFIQUROHIM, Teguh. Extraction Of Indigo Dye From Strobilanthes cusia Leaves With Alkalization Process Using Sodium Hydroxide. Jurnal Riset Kimia, [S. l.], v. 17, n. 1, p. 133–147, 2026. DOI: 10.25077/jrk.v17i1.896. Disponível em: https://jrk.fmipa.unand.ac.id/index.php/jrk/article/view/896. Acesso em: 16 sep. 2026.