Fernandez, J. and Herrera, O. L. (2019) “The effect of two different attentional focus techniques on elementary non-athletes students”, Lecturas: Educación Física y Deportes, 23(249), pp. 31-41. Available at: https://efdeportes.com/efdeportes/index.php/EFDeportes/article/view/611 (Accessed: 12November2026).