Ultraviolet and Ethyl Methanesulfonate-Induced Mutagenesis in Aspergillus niger and Salmonella typhi for Enhanced Azoreductase Production in Azo Dyes Bioremediation: Mutagenesis in Aspergillus niger and Salmonella typhi. FBT. 2024;4(03):41-55. doi:10.54393/fbt.v4i03.164