Sehrawat, Deepti, and Nasib Singh Gill. “Deployment of IoT Based Smart Environment : Key Issues and Challenges”. International Journal of Engineering and Technology 7, no. 2 (April 13, 2018): 544–550. Accessed May 22, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/9504.