Abdul Kareem, Eather, ایثار, Abdul Kareem Aljawadi, عبدالکریم, Luay Al-Sumayday, and لؤی. “Designing Tests for Measurement of the Basic Skills of Tennis”. Al-Rafidain Journal For Sport Sciences (RJSS) 12, no. 40: 124–139. Accessed September 27, 2025. https://jwups.uomosul.edu.iq/index.php/rjss/article/view/36104.