AMIR, Nyak. PENGEMBANGAN ALAT UKUR KECEMASAN OLAHRAGA. Jurnal Penelitian dan Evaluasi Pendidikan, [S. l.], v. 16, n. 1, p. 325–347, 2013. DOI: 10.21831/pep.v16i1.1120. Disponível em: https://journal.uny.ac.id/index.php/jpep/article/view/1120. Acesso em: 6 may. 2025.