A. J. Humaidi and A. A. Mohammed, “Performance Comparison of Different Observers for Pendubot”, ASRJETS-Journal, vol. 34, no. 1, pp. 34–53, Jul. 2017, Accessed: Sep. 11, 2025. [Online]. Available: https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/3160