Manihuruk, F., Sumaryanto, S., Nugroho, S., Nasrulloh, A., Sumarjo, S. and Sumaryanti, S. (2023) “Exploration of The Traditional Game of Galah Hadang: Does it Effect The Concentration, Agility and Endurance of Early Age Badminton Players?”, JOSSAE (Journal of Sport Science and Education), 8(1), pp. 11–20. doi: 10.26740/jossae.v8n1.p11-20.