JamaluddinJ., NugrahaF., Na’imM., MusninaW. O., SulistianaS., and YuyunY. “Identification of Preservatives And Colourants In Takjil Snacks”. JPK : Jurnal Proteksi Kesehatan, Vol. 13, no. 1, Aug. 2024, pp. 66-71, doi:10.36929/jpk.v13i1.785.