Fröhlich, M., H. Felder, and M. Reuter. “Training Effects of Plyometric Training on Jump Parameters in D- And D/C-Squad Badminton Players”. Journal of Sports Research, vol. 1, no. 2, Dec. 2014, pp. 22-33, doi:10.18488/journal.90/2014.1.2/90.2.22.33.