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Afni, L.; Daulay, A. S.; Ridwanto, R.; Rahayu, Y. P. Determination of Total Phenolic Levels of Raru Wood Extract (Cotylelobium Lanceolatum Craib) Based on Differences in Ethanol Concentration by Uv-Vis Spectrophotometry Method. JPS 2023, 6, 1811-1818.