Dimin, M. ., S.-M. . Se, A. Shaaban, and M. . Hashim. “Urea Impregnated Biochar to Minimize Nutrients Loss in Paddy Soils”. International Journal of Automotive and Mechanical Engineering, vol. 10, Dec. 2022, pp. 2016-24, doi:10.15282/ijame.10.2014.18.0169.