V, Gayathri, Suprajha Kanna, and Umamakeswari A. “Smart Security System for Health Centers”. International Journal of Engineering and Technology 7, no. 2.24 (April 25, 2018): 220–223. Accessed May 12, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/12035.