KHANINA, Naila; HAZAR, Fatih; DAMAYANTI, Enarnimas; BAYU, Sani. The Effect of Ladder Drill Training on Speed and Agility Improvement in Junior Badminton Athletes Aged 11-14 Years. Journal of Racket Sports Performance & Science (JRSPS), [S. l.], v. 1, n. 1, p. 8–15, 2025. Disponível em: https://journal.unesa.ac.id/index.php/jrsps/article/view/47216. Acesso em: 5 dec. 2025.