Kong, L. C., C. Rosman, C. Hasan, and M. A. Huzzain. “A Two-Step Fault Detection and Diagnosis Framework for Chemical Processes”. ASEAN Journal of Chemical Engineering, Vol. 10, no. 2, Dec. 2010, pp. 1-9, https://jurnal.ugm.ac.id/v3/AJChE/article/view/8065.