John Taura, Joel, Oni Leke, and Jagadish Singh. “Non-Autonomous Equations of Restricted Three-Body Problem With Variable Masses and Zonal Harmonics up to J4”. JOURNAL OF BASICS AND APPLIED SCIENCES RESEARCH 3, no. 6 (October 24, 2025): 170–176. Accessed May 23, 2026. https://jobasrfudutsinma.com/index.php/ojs-files/article/view/80.