Rehman, A.- ur-., Zain, O. F. . and Arshad, F. . (2021) “Threat to International Aviation Industry: Liquid Explosive Detection Systems and Liquid Aerosols & Gels”, Pakistan Journal of Social Sciences, 41(1), pp. 33-47. Available at: http://pjss.bzu.edu.pk/index.php/pjss/article/view/976 (Accessed: 18October2026).