1. www.osha.gov
2. https://en.wikipedia.org/wiki/Hazard_analysis
3. Geoff Wells, Hazard Identification and Risk Assessment, The Institution of Chemical Engineers; Revised edition (30 June 2004).
4. Frank Crawley, A Guide to Hazard Identification Methods, Elsevier
5. Aditya Tiwary, “Internet of Things (IoT): Basic idea and concept”, International Conference on Advance in Computing Communication and Control (ICA3C:2020), IIMT University, Meerut, UP, India, 2020.