The Relationship Between Self-Confidence and Anxiety of Petanque Athletes in Facing Matches in Central Java von Widya Putri, Mega, Panggraita, Gilang Nuari, Proboyekti, Diyah, Shidiq, Abdul Aziz Purnomo, Wahyu Utomo, Andri, Rozi, Fatkhur, Agafian Dhuha, Ahad, Sembaba Tarigan, Boy, Setiawan, Edi

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