Abdulwahab, E. N., Atiyah, Q. A., & Abd Alzahra, A. T. (2017). Aircraft Lateral-Directional Stability in Critical Cases via Lyapunov Exponent Criterion. Al-Khwarizmi Engineering Journal, 9(1), 29-38. https://www.alkej.uobaghdad.edu.iq/index.php/alkej/article/view/156