Misran, Muhamad Affiq Bin, Anubha Bilgaiyan, & Reiji Hattori. " Optical Ray Tracing Simulation by Using Monte Carlo Method for Reflectance-based Photoplethysmography Sensor in Human Skin and Fingertip Model." Computational And Experimental Research In Materials And Renewable Energy [Online], 5.2 (2022): 78-91. Web. 26 Apr. 2024