THANOUN, B.; YOUNES, R.; ALI, S. A comparative study in the vertical work done and the ball launch angle between the Float and crushing services of jumping in volleyball. Al-Rafidain Journal For Sport Sciences, [S. l.], v. 25, n. 77, p. 180–195, 2022. DOI: 10.33899/rjss.2022.175439. Disponível em: https://rsprs.uomosul.edu.iq/index.php/rsprs/article/view/50762. Acesso em: 2 oct. 2025.