Gawin, W., A. Herbstreit, U. Fries, and C. Maiwald. “Evaluation of a Freely Available Sensor Racket As a Diagnostic and Training Tool in Elite Badminton”. International Journal of Racket Sports Science, Vol. 4, no. 1, June 2022, pp. 2-8, doi:10.30827/Digibug.77205.