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Harahap, S., Lubis, L.H. and Harahap, M.I. 2024. Analysis of Rhodamin B in Lipstick Preparations in Padangsidimpuan City by Thin Layer Chromatography (TLC) Method. Formosa Journal of Science and Technology . 3, 8 (Aug. 2024), 1761–1770. DOI:https://doi.org/10.55927/fjst.v3i8.10754.