Mohammed, Mohammed J., Abduladhem A. Ali, and Mofeed T. Rashid. “Fuzzy Petri Net Controller for Quadrotor System Using Particle Swam Optimization”. Iraqi Journal for Electrical and Electronic Engineering 11, no. 1 (July 31, 2015): 132–144. Accessed December 16, 2025. https://ijeee.journalpath.com/ijeee/article/view/195.