PETROVALIEV, Georgi. INTEGRATED RISK-BASED MODEL FOR MANAGING THE PHYSICAL SECURITY OF CLASSIFIED INFORMATION. E-Journal VFU, [S. l.], n. 26, p. 1042–1050, 2026. Disponível em: https://ejournal.vfu.bg/index.php/vfu/article/view/417. Acesso em: 26 oct. 2026.