Tantowi, Imam, and Sugiharto -. “PERBEDAAN LATIHAN DUMBBELL KICKBACKS DENGAN LATIHAN ONE ARM OVERHEAD DUMBBELL EXTENSIONS TERHADAP KEMAMPUANBACKHAND LOB BULUTANGKIS”. Journal of Sport Science and Fitness 4, no. 2 (1). Accessed May 28, 2024. http://journal.unnes.ac.id/sju/jssf/article/view/6292.