Rifkowaty EE. FUNGSIONAL BEVERAGES INSTANT GINGER POWDER (Zingiber officinale rosc)WITH THE ADDITION OF BULBULUS EXTRACT VARIATION (Eleutherine Americana Merr) AS NATURAL DYES. JTEP-L [Internet]. 2016 Jan. 30 [cited 2026 Jun. 28];4(4). Available from: https://jtep.fp.unila.ac.id/index.php/JTP/article/view/1004