Siti Nuraisha, and Kamarul Azhar Kamarudin. 2022. “Ballistic Limit of Double Layered Cockleshell Reinforced Carbon Fiber Using Numerical Simulation”. Research Progress in Mechanical and Manufacturing Engineering 2 (2): 523-32. https://penerbit.uthm.edu.my/periodicals/index.php/rpmme/article/view/4072.