Widyastuti, Rheinmetall Gita,. “UNDERSTANDING BULLET PENETRATION IN GELATIN TERMINAL: A FINITE ELEMENT APPROACH ”. International Journal of Allied Research in Engineering and Technology (IJARET), vol. 14, no. 2, Feb. 2023, pp. 12-19, https://zapjournals.com/Journals/index.php/IJARET/article/view/782.