M. H. M. A. Saadi, Tran., “THE IMPACT OF THE COOPERATIVE METHOD ON LEARNING THE SPIKE SERVE IN VOLLEYBALL FOR PHYSICAL EDUCATION AND SPORTS SCIENCE STUDENTS – AHLULBAYT UNIVERSITY”, JAREL, vol. 12, no. 1, pp. 40–48, Mar. 2026, doi: 10.61841/6z1hnb65.