Ramón-Llin, J., J. Guzmán, S. Llana, G. Vučković, and N. James. “Comparison of Distance Covered in Paddle in the Serve Team According to Performance Level”. Journal of Human Sport and Exercise, vol. 8, no. 3proc, Dec. 2013, pp. S738-S742, doi:10.4100/jhse.2013.8.Proc3.20.