Iyer, Chandru. “SYNCHRONIZATION IN RELATIVITY IN THE CONTEXT OF THE TWIN PARADOX”. International Journal of Research -GRANTHAALAYAH 6, no. 9 (September 30, 2018): 274–277. Accessed April 28, 2024. https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/IJRG18_A09_1686.