M. Ramkumar Prabhu, K. Machap, G. Charulatha, and A. Rajalingam, “Internet of Things based Infra-Red Temperature Data Gathering system using Contactless Approach”, Int. J. Ind. Eng., vol. 6, no. 2, pp. 53–57, Oct. 2022, doi: 10.65000/3hs5vb53.