Tuan, Trinh Anh, Tran Huu Quoc, and Tran Minh Tu. 2016. “Free Vibration Analysis of Laminated Stiffened Cylindrical Panels Using Finite Element Method”. Vietnam Journal of Science and Technology 54 (6). Hanoi, VN:771-84. https://doi.org/10.15625/0866-708X/54/6/8214.