Sadoon Ahmedzeki, Nada, and Arowa Salah Alddin Mahdi. “Research Octane Number Improvement of Iraqi Gasoline by Adsorption of N-Paraffins Using Zeolite Molecular Sieves”. Iraqi Journal of Chemical and Petroleum Engineering, vol. 15, no. 2, June 2014, pp. 27-37, https://doi.org/10.31699/IJCPE.2014.2.4.