2014. Biodegradation of Chicken Feather Wastes in Submerged Fermentation Containing High Concentrations of Heavy Metals by Bacillus sp. khayat. Journal of Environmental Bioremediation and Toxicology. 2, 2 (Dec. 2014), 38–41. DOI:https://doi.org/10.54987/jebat.v2i2.215.