Yuliana, M. 2024. The Modification of Eco-Enzyme Liquid and The Effect on Tomato Preservation with Soaking Then Rinsing in Water Method. Hydrogen: Jurnal Kependidikan Kimia. 12, 1 (Feb. 2024), 26–34. DOI:https://doi.org/10.33394/hjkk.v12i1.10593.