Nor Adila Mohd Noor, Anddy Dominic, Mohd Norazmi Nordin, S. M. H. H. J. M. J. “IMPROVING HEALTH MONITORING SYSTEMS THROUGH DEEP FLOW INSPECTION”. Design Engineering, July 2021, pp. 3519- 3523, http://www.thedesignengineering.com/index.php/DE/article/view/2765.