Fuzzy-GMC Control of Gas-Phase Propylene Copolymerization in Fluidized Bed ReactorNazratul Fareha Salahuddin, Ahmad Shamiri, Mohd Azlan Hussain and Navid MostoufiMATEC Web Conf., 156 (2018) 07002DOI: https://doi.org/10.1051/matecconf/201815607002