Putri Mulia, Ocha, et al. “Enhancing Kojic Acid Production in Aspergillus Oryzae: Leveraging Crude Cellulase from Achatina Fulica for Strain Improvement via Protoplasting and UV Mutagenesis”. HAYATI Journal of Biosciences, vol. 31, no. 4, Mar. 2024, pp. 693-01, https://doi.org/10.4308/hjb.31.4.693-701.