Adzinar Rasyid, et al. “Analysis of the Smash and Footwork Performance of men’s Singles Athletes at the 2021 Toyota Thailand Open ”. Jorpres (Jurnal Olahraga Prestasi), vol. 19, no. 3, Feb. 2026, pp. 267-71, https://journal.uny.ac.id/index.php/jorpres/article/view/95644.