A. Oglah, Ahmed, and Samara H. Abed Al-Hady. “Design and Implementation of an Interval Type-2 Fuzzy Logic and Type-1 Fuzzy Logic Controls for Magnetic Levitation System”. American Scientific Research Journal for Engineering, Technology, and Sciences 46, no. 1 (August 31, 2018): 122–134. Accessed September 11, 2025. https://asrjetsjournal.org/American_Scientific_Journal/article/view/4314.