Udianto, A.M., Artemisia, S.D., Prasasti, A., Prayudeni, S. and Fayzannaja, S. 2026. Patch Formulation from the Extract of Banana Leaf Sheath (Musa paradisiaca L.) and Kersen Leaf (Muntingia calabura L.) with HPMC Polymer. Educatoria : Jurnal Ilmiah Ilmu Pendidikan. 6, 3 (Jul. 2026), 894–907. DOI:https://doi.org/10.36312/educatoria.v6i3.1614.