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), 116-126. https://doi.org/10.25047/jofe.v4i3.6059