ARDINI, Fitria; JANNAH, Miftakhul. PENGARUH PELATIHAN TEKNIK RELAKSASI PERNAFASAN DALAM TERHADAP COMPETITIVE STATE ANXIETY PADA ATLET UKM BULU TANGKIS UNIVERSITAS NEGERI SURABAYA. Character Jurnal Penelitian Psikologi, [S. l.], v. 4, n. 2, p. 6–10, 2017. DOI: 10.26740/cjpp.v4i2.42578. Disponível em: https://ejournal.unesa.ac.id/index.php/character/article/view/42578. Acesso em: 6 jul. 2025.