Dr. Yuki Nakamura (2026) “Multi-Year Assessment of Digital Protection Trends (2022–2025): Human Capital, Policy Structures, Threat Exposure, and Capability Evolution Based on International Study Data”, The American Journal of Engineering and Technology, 8(03), pp. 175–180. Available at: https://theamericanjournals.com/index.php/tajet/article/view/7750 (Accessed: 19 April 2026).