Alim A. HUBUNGAN MOTIVASI, ATTITUDE, ANXIETY DAN SELF EFFICACY TERHADAP PRESTASI ATLET TENIS LAPANGAN LEVEL JUNIOR DAN SENIOR. Medikora J. Ilmiah. Kes. Or. [Internet]. 2019 Dec. 30 [cited 2025 May 8];17(2):83-90. Available from: https://journal.uny.ac.id/index.php/medikora/article/view/29179