El-Hawwary, M. I., "Hierarchic distributed stabilization of a class of three-dimensional formations for underactuated agents", IET Control Theory & Applications, vol. 15, issue 3, pp. 472-488, 2021.
EL-Hawwary, M. I., A. L. Elshafei, H. M. Emara, and A. H. A. Fattah, "Adaptive Fuzzy Control of the Inverted Pendulum Problem", IEEE Transactions on Control Systems Technology, vol. 14, issue 6, pp. 1135-1144, 2006.
EL-Hawwary, M. I., and A. L. Elshafei, "Robust Adaptive Fuzzy Control of a Two-Link Robot Arm", International Journal of Robotics and Automation, vol. 21, issue 4, pp. 266-272, 2006.
EL-Hawwary, M. I., A. L. Elshafei, H. M. Emara, and A. H. A. Fattah, "Output Feedback Control of a Class of Nonlinear Systems Using a Direct Adaptive Fuzzy Controller", IEE Proceedings Control Theory & Applications, vol. 151, issue 5, pp. 615-625, 2004.