Alwan, Q. H., Rahman, A. M., Salman, M. H., & Ali, Z. H. (2015). Characterization of Biochar Produced from IRAQI Palm Fronds by Thermal Pyrolysis. Al-Khwarizmi Engineering Journal, 11(2), 92-102. https://www.alkej.uobaghdad.edu.iq/index.php/alkej/article/view/228