I Gusti Ngurah Sudira, Ilham Yunan F. Rahman, Devi Meilawati Gunara. “Bird Impact Analysis on Windshield of N-245 Aircraft Using Ansys Program”. International Journal of Control and Automation, Vol. 13, no. 02, May 2020, pp. 923 -2, http://sersc.org/journals/index.php/IJCA/article/view/14090.