“The Issue of Safeguarding State Secrets During the Preliminary Investigation Phase” (2024) American Journal of Language, Literacy and Learning in STEM Education (2993-2769), 2(11), pp. 1–4. Available at: https://www.grnjournal.us.e-scholar.org/index.php/STEM/article/view/6044 (Accessed: 27 January 2026).