In Colaboration With
Raibowo, Septian, Pendidikan Jasmani - Universitas Bengkulu, Indonesia
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Halaman Olahraga Nusantara : Jurnal Ilmu Keolahragaan Vol. 4 No. 2 (2021): Halaman Olahraga Nusantara (Jurnal Ilmu Keolahragaan) - Articles
Anxiety and Concentration of Tennis Chair Umpire
Abstract PDF