[1]
E. R. Amanda, A. S. Rosmawati, L. Nurfadlilah, G. P. Buono, and Y. Ambari, “Method Validation of Silica Dispersive Solid Phase Extraction Combined with Spectrophotometer UV-Vis for the Determination of Allopurinol in Herbal Medicine”, Pharm. : j. farm. Indones., vol. 19, no. 1, pp. 77–87, Jul. 2022.