Ghasem, Nayef Mohamed, and Mohamed Azlan Hussain. “Avoiding Chaotin Instability under PID Control of Plythylene Fluidized Bed Reactor (UNIPOL Procees)”. ASEAN Journal of Chemical Engineering 3, no. 1 (December 31, 2003): 26-33. Accessed November 27, 2024. https://jurnal.ugm.ac.id/v3/AJChE/article/view/7575.