2023. Socialization of Rhodamine B Dye Content in Liptint Sold in Lubuk Pakam Which is Analyzed Using UV-Vis Spectrophotometry. JURNAL PENGMAS KESTRA (JPK). 3, 2 (Dec. 2023), 229–233. DOI:https://doi.org/10.35451/jpk.v3i2.1455.