Bucur, C, Societal security and the phenomenon of migration, in Infosfera, DGIA’s magazine on security studies and defense information, anul VII nr.3/2015, pp. 78-82.
Jacobs, A, Lasconjarias, G, NATO’s Hybrid Flanks. Handling Unconventional Warfare in the South and the East, Research Division – NATO Defense College, Rome, No.112, April 2015, pp. 8-9.