Maulana, I., Firmansyah, A., Amir, R. and Tyas Angganawati, R. 2025. Formulation and Evaluation of Effervescent Tablets from Guava Leaf Extract with Variations of Polyvinylpyrrolidone Concentration. FITOFARMAKA: JURNAL ILMIAH FARMASI. 15, 1 (Jun. 2025), 11–18.