Tursun, Melek, and Ömer Çetin. “Automated Real Time Detection of Suspicious Appearances Using Deep Learning”. Journal of Aeronautics and Space Technologies 14, no. 1 (January 21, 2021): 71-78. Accessed April 23, 2021. http://jast.hho.edu.tr/index.php/JAST/article/view/446.