Hendri Faisal, Suprianto, Nur Aisyah Pitri, Sri Handayani, and Dwi Setio Purnomo , trans. 2022. “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.)”. Jurnal Indah Sains Dan Klinis 3 (1): 1-7. https://doi.org/10.52622/jisk.v3i1.40.