KHUNAIFI, MOCHAMMAD; JANNAH, MIFTAKHUL. Pengaruh Pelatihan Positive Self-talk terhadap Peningkatan Konsentrasi pada Atlet Taekwondo. Character Jurnal Penelitian Psikologi, [S. l.], v. 7, n. 1, 2020. DOI: 10.26740/cjpp.v7i1.32031. Disponível em: https://ejournal.unesa.ac.id/index.php/character/article/view/32031. Acesso em: 26 nov. 2025.