Kolev, Nikolay, Yordan Sivkov, and Ekaterinoslav Sirakov. "
K Band Radar Drone Signatures."
Information & Security: An International Journal 47, no. 3 (2020): 349-354.
Phillips, Ira Johnson. Maintaining Small Retail Business Profitability by Reducing Cyberattacks In
School Business Administration. Vol. Doctor of Business Administration (D.B.A.). Walden University, 2020.