Caglar, Hakan, Nihat Daldal, and Ramazan Kurul. “Pain Measurement Methods and Pain Measurement System Design ”. Journal of Bionic Memory 3, no. 3 (September 29, 2023): 46–53. Accessed April 20, 2024. http://jbionicmemory.com/index.php/jbm/article/view/38.