Suhermon, S., 		Arisman, A., 		Hendryanto, F., 		Siska, S., 		Tofikin, T., & 		Indah, D.
(2023).
 Development of the Chop Instrument in Table Tennis.
<em>Physical Activity Journal (PAJU), 5</em>(1), 37-46.
doi:10.20884/1.paju.2023.5.1.9697