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Hendradi, E.; Rahayuningtyas, E.; Erawati , T. . The Effect of Polymers Ratio Carboxymethyl Chitosan, Polyvinyl Pyrolidone K-30, and Ethyl Cellulose N22 on Physico-Chemical Characteristics and Drug Release from Matrix Type Diclofenac Potassium Patch. JFIKI 2023, 10, 54-61.