Changes of Dark Couverture Chocolate Hardness During Storage Tempered Using Automatic Tempering Machine with Tank and Tempering Temperature as VariablesShiammita Rosmindari, Arifin Dwi Saputro and Nursigit BintoroBIO Web Conf., 80 (2023) 04002DOI: https://doi.org/10.1051/bioconf/20238004002