[1]
S. M. Sinaga, E. D. L. . Putra, M. D. . Harfiansyah, and H. . Cintya, “Application of the Ratio Subtraction Ultraviolet Spectrophotometry Method for Simultaneous Quantification of B1, B2, B3, B6, and B12 Vitamins in Health Supplement Syrups”, Trends Sci, vol. 23, no. 1, p. 11000, Oct. 2025.