Yan Hao Tan, and Holden Li King Ho. “EXPERIMENTAL MACHINE LEARNING OF FINGER PHOTOPLETHYSMOGRAPHY (PPG) FOR AUTONOMOUS HOSPITAL BED PUSHING FRAMEWORK USING POLYNOMIAL REGRESSION”. International Journal of Engineering Technologies and Management Research 5, no. 9 (September 30, 2018): 108–119. Accessed March 29, 2024. https://www.granthaalayahpublication.org/ijetmr-ojms/ijetmr/article/view/14_IJETMR18_A10_527.