1.
Al Fathi Z, Hartoto S, Prakoso B. The relationship between students’ concentration level and smash result competency in badminton extracurricular. Sriwijaya Journal of Sport [Internet]. 26Feb.2022 [cited 15May2024];1(2):93-04. Available from: http://ejournal.fkip.unsri.ac.id/index.php/sjs/article/view/359