1.
Processing of Red Velvet Cake Using Natural Dyes of Red Bitter Fruit (Beta Vulgaris) And Red Spinach (Amaranthus Tricolor Linn). agriscience. 2021;4(2):126-132. Accessed July 31, 2025. http://agriculturalscience.unmerbaya.ac.id/index.php/agriscience/article/view/55