Ramiz Albakri, Abi, أبی, Farid Fuad Rashid, فريد, hiba muneer, and هبة. “Mechanical Analysis of Free-Rolling Balls of Different Sizes on an Inclined Surface at Constant Circumferences”. Al-Rafidain Journal For Sport Sciences (RJSS) 27, no. 84 (June 24, 2025): 395–404. Accessed August 4, 2025. https://ojs.uomosul.edu.iq/index.php/rjss/article/view/10998.