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A Optimization of Direction Finder in Disclosing Cases of Threatening By Jatanras Unit, Criminal Research Unit, Surabaya City Police Office. Tanggon Kosala, [S. l.], v. 13, n. 1, p. 20–31, 2024. DOI: 10.70526/tk.v13i1.1491. Disponível em: https://journal.akpol.ac.id/index.php/tanggonkosala/article/view/1491. Acesso em: 14 agu. 2026.