Chaudhry, A., Jilani, G., Khan, M., & Iqbal, T. (2010). Improved Processing of Poultry Litter Reduces Nitrate Leaching and Enhances Its Fertilizer Quality. Asian Journal of Chemistry, 21(7), 4997–5003. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/18265