Cyrille Clovis Tchouchoua Teyou, and Pin Zhang. “Solving Downgrade and DoS Attack Due to the Four Ways Handshake Vulnerabilities (WIFI)”. International Journal of Engineering and Management Research 8, no. 4 (August 31, 2018): 1-10. Accessed October 27, 2020. https://www.ijemr.net/ojs/index.php/ojs/article/view/231.