DAMAYANTI, Enarnimas; HAZAR, Fatih; KHANINA, Naila; ASHARI, Sani. The Correlation Between Competitive State Anxiety and The Frequency of Unforced Errors in The Serving Technique of Badminton Athletes. Journal of Racket Sports Performance & Science (JRSPS), [S. l.], v. 1, n. 1, p. 36–41, 2025. Disponível em: https://journal.unesa.ac.id/index.php/jrsps/article/view/47236. Acesso em: 5 dec. 2025.