Williams, Z.T., and K.S. Macklin. “Reduction of Salmonella and Ammonia Emissions in Broiler Litter Using Sulfuric Acid and Aluminum Sulfate”. International Journal of Poultry Science, vol. 12, no. 6, May 2013, pp. 328–334, https://doi.org/10.3923/ijps.2013.328.334.