Sjödin, F., Felder, H., Holmström, S., & Fahlström, M. (2024). Hearing the roar: Spectator noise and umpires stress in major badminton tournaments. International Journal of Racket Sports Science, 5(1), 57-64. Retrieved from https://journal.racketsportscience.org/index.php/ijrss/article/view/109