Valadkhani, Zahra, Farhad Lotfi, and Branka Rodić. “A Vision of the Internet of Things: A Review of Critical Challenges”. International Journal of Computer and Information Technology(2279-0764) 10, no. 4 (July 31, 2021). Accessed September 22, 2021. https://www.ijcit.com/index.php/ijcit/article/view/121.