Goel, Amber, Apaar Khurana, Pranav Sehgal, and K Suganthi. “Vision Based Office Automation and Security System Using Machine Learning and Internet of Things”. International Journal of Engineering and Technology 7, no. 2.24 (April 25, 2018): 42–46. Accessed May 29, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/11996.