El-Saftawy, M. I, and Nabawia Khalifa. “Laser Orbital Perturbations in Hamiltonian Framework”. International Journal of Advanced Astronomy 6, no. 1 (April 30, 2018): 12–16. Accessed December 4, 2024. https://sciencepubco.com/index.php/IJAA/article/view/9786.