Analysis of Vitamin C Levels and Evaluation of Effervescent Tablets Mixture of Ethanol Extract of Red Guava Seeds and White Guava Seeds (Psidium Guajava L.) (Hendri Faisal, Suprianto, Nur Aisyah Pitri, Sri Handayani, & Dwi Setio Purnomo , Trans.). (2022). Jurnal Indah Sains Dan Klinis, 3(1), 1-7. https://doi.org/10.52622/jisk.v3i1.40