M. I. S. Ismail, N. H. Ahamed Hassain Malim, A. Abd Manaf, K. A. Mohamed Zain, and D. A. Mohamed Noor, “Pain Assessment: A Proof of Concept for the Correlation of Sensor-based Physiological Readings to Self-Report Methods”, JTEC, vol. 12, no. 3, pp. 13–20, Aug. 2020.