“Calculate the Longitude and Orbital Motion for Amaletha, Europa, Ganymede and Callisto Satellites” (2023)
Iraqi Journal of Science, 55(2B), pp. 839–844. Available at:
https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11854 (Accessed: 18 August 2025).