Self-confidence due to ability of Three Meter Smash in Volleyball by Arif Purnomo, Awan Hariono

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The effect of service quality on the safety of boxing athletes' training in Indonesia by Trisnar Adi Prabowo, Endang Rini Sukamti, Fauzi, Tomoliyus, Awan Hariono

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The impact of service quality, family support, and coach-athlete intimacy on the achievement performance of student-athletes through motivation as a mediator by Ali Mandan, Tomoliyus, Abdul Alim, Endang Rini Sukamti, Fauzi, Awan Hariono, Trisnar Adi Prabowo

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The effect of service quality and coach competency on the motivation and achievement of Riau basketball student-athletes by Ardiah Juita, Tomoliyus, Awan Hariono, Syahriadi, Endang Rini Sukamti, Fauzi, Abdul Alim, Trisnar Adi Prabowo

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The influence of coaches' behavior on achievement motivation and performance of Riau athletes by Ni Putu Nita Wijayanti, Tomoliyus, Abdul Alim, Wedi S, Wayan Artanayasa, Ketut Sudiana, Endang Rini Sukamti, Fauzi, Awan Hariono, Trisnar Adi Prabowo

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