Amjad Riaz and  Ali Farsi and  Gholamreza Zahedi and  Zainuddin Abdul Manan,  Investigation of Inert Gas Injection in Steam Reforming of Methane: Energy.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2011, vol. 56(8). 648 - 651
    [viewed 14 October 2019]. Available from: https://publications.waset.org/pdf/4920.