H. SALIH , Abdul Rahman; M. JARAD, Majed; M. ABDULLA , Fouad. The Orbital Elements Variation of the Moon Through 2000-2100. Iraqi Journal of Science, [S. l.], v. 57, n. 1B, p. 530–539, 2023. Disponível em: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/9256.. Acesso em: 8 dec. 2025.