AL-LUWAICI, N. "Mohammed K. . The Effect of Problem -Solving Strategy on Concentration of Attention shot put performance of physical education Students at Yarmouk University. Dirasat: Educational Sciences, [S. l.], v. 49, n. 4, p. 155–169, 2022. DOI: 10.35516/edu.v49i4.3331. Disponível em: https://dsr.ju.edu.jo/djournals/index.php/Edu/article/view/3331. Acesso em: 3 dec. 2025.