SURATMAN, Yosua Praditya. PENGGUNAAN STRATEGI OPERASI KONTRA INTELIJEN DALAM RANGKA MENGHADAPI ANCAMAN SIBER NASIONAL. Jurnal Pertahanan dan Bela Negara, [S. l.], v. 7, n. 2, p. 1–18, 2017. DOI: 10.33172/jpbh.v7i2.176. Disponível em: https://upgradeojs.rifqisyams.id/index.php/JPBH/article/view/176. Acesso em: 23 jul. 2026.