Ethylene Yield from Pyrolysis Cracking in Olefin Plant Utilizing Regression Analysis Mohamad Hafizi Zakria, Mohd Ghazali Mohd Nawawi and Mohd Rizal Abdul Rahman E3S Web Conf., 287 (2021) 03004 Published online: 06 July 2021 DOI: 10.1051/e3sconf/202128703004