“Eksplorasi Pengaruh Pewarna Alami Kulit Buah Naga Merah Terhadap Kualitas Kerupuk Ikan Lemuru (Sardinella Sp.): Exploration of the Effect of Natural Colouring from Red Dragon Fruit Peel on the Quality of Lemuru Fish Crackers (Sardinella Sp.)”. 2025. Journal of Food Engineering 4 (3): 116-26. https://doi.org/10.25047/jofe.v4i3.6059.