Preparasi Dan Karakteristik Floating Tablet Ekstrak Daun Jambu Biji (Psidium Guajava L.) Dengan Variasi Kombinasi Xanthan Gum Dan HPMC: Preparation and Characteristics of Floating Tablets of Guava Leaf Extract (Psidium Guajava L.) With Variations of Xanthan Gum and HPMC Combinations. J. Sains. Kes 2024, 4 (4), 370–378.