Application of Eggshell-Derived Calcium Carbonate in Chitosan-Based Coating to Extend Fresh Egg Shelf LifeSusi Lesmayati, Asep Wawan Permana, Christina Winarti, Waryat, Mulyana Hadipernata, Widaningrum, Imro’ah Ikarini and Alvi YaniE3S Web Conf., 665 (2025) 02002DOI: https://doi.org/10.1051/e3sconf/202566502002