1. S. Feng, C. Shen, N. Xia, W. Song, M. Fan, B.J. Cowling, Identification of common molecular subsequences. J. Mol. Biol. 147, 195–197 (1981) Lancet Respir. Med
2. Hindustan Times, https://www.hindustantimes.com/india-news/masks-can-reduce-covid-19-growth-rate-by-40-study/story-x3AY1QMIPvBthiertbzCZJ.html. Accessed on 20-12-2020
3. M. Jiang, X. Fan, H. Yan, Retina Face Mask: A Face Mask Detector (Cornell University, 2020)
4. M. Loey, G. Manogaran, M.H.N. Taha, N.E.M. Khalifa, A hybrid deep transfer learning model with machine learning methods for face mask detection in the era of the COVID-19 pandemic. Measurement: J. Int. Measure. Confeder., Elsevier 167 (2021)
5. Healthcare Based on IoT using Raspberry Pi, International Conference on Green Computing and Internet of Things, vol 1 (IEEE, 2015), pp. 796–799