Mathematical Modeling of Citric Acid Production and Microbial Growth Kinetics Using Aspergillus niger in Batch FermentationKanjana Detchomphoo, Nicharee Wisuthiphaet, Rittipun Rungruang and Sasithorn KongruangE3S Web Conf., 679 (2025) 01026DOI: https://doi.org/10.1051/e3sconf/202567901026