Awaid, K., Hamdoun, A. and Ramadan, O. 2005. Carbonization of Asphaltic material and polyethylene by catalysis oxidation V2O5 for activated carbon preparation. Journal of Education and Science. 17, 1 (Jan. 2005), 178–186. DOI:https://doi.org/10.33899/edusj.2005.80499.