SIMULATION AND MODELING OF HYDRO CRACKING REACTR TO REDUCE POLLUTION CAUSED BY REFINERIES: SIMULATION AND MODELING OF HYDRO CRACKING REACTR TO REDUCE POLLUTION CAUSED BY REFINERIES. (2020). Iraqi Journal of Market Research and Consumer Protection, 12(2), 131-140. https://jmracpc.uobaghdad.edu.iq/index.php/IJMRCP/article/view/217