M. Shakunthala, C.Raveena, B. Saravanan, S. Sanjay Kumar, R. Sandeep Saran. “IOT Based Coal Mine Safety Monitoring and Controlling”. Annals of the Romanian Society for Cell Biology (April 30, 2021): 12381–12387. Accessed August 24, 2026. http://www.annalsofrscb.ro/index.php/journal/article/view/4164.