Detchomphoo, K., Wisuthiphaet, N., Kongruang, S. and Rungruang, R. 2026. Citric Acid Production by Aspergillus niger in Stirred Tank Bioreactor. Applied Science and Engineering Progress. 19, 1 (Jan. 2026), 7864. DOI:https://doi.org/10.14416/j.asep.2025.08.002.