MANESH, ALI HABIBI. “MODELING OF PHTHALIC ANHYDRIDE PRODUCTION PROCESS IN BOTH FIXED AND FLUIDIZED BEDS REACTORS”. Journal of Basic and Applied Research International 25, no. 6 (November 23, 2019): 283-289. Accessed February 17, 2020. http://www.ikpresse.com/index.php/JOBARI/article/view/4796.