RACHMAN, Dandy Aulia; JANNAH, Miftakhul. HUBUNGAN ANTARA KETANGGUHAN MENTAL DENGAN OPTIMISME PADA ATLET MENEMBAK RIFLE MATCH DI KODAM V BRAWIJAYA. Character Jurnal Penelitian Psikologi, [S. l.], v. 9, n. 4, 2022. DOI: 10.26740/cjpp.v9i4.47846. Disponível em: https://ejournal.unesa.ac.id/index.php/character/article/view/47846. Acesso em: 13 jan. 2025.