Nida Khan, and Dr. Mohd Haroon. “Comparative Study of Various Crowd Detection and Classification Methods for Safety Control System”. International Journal of Engineering and Management Research 12, no. 3 (June 20, 2022): 124–130. Accessed May 19, 2024. https://ijemr.vandanapublications.com/index.php/ijemr/article/view/751.