ALIYU, O.H., and A.A SALIHU. “NON-LINEAR FINITE ELEMENT ANALYSIS OF DYNAMIC PROBLEMS”. International Journal of Engineering Technologies and Management Research 8, no. 4 (April 30, 2021): 79–93. Accessed April 20, 2024. https://www.granthaalayahpublication.org/ijetmr-ojms/ijetmr/article/view/IJETMR21_A04_2569.