Sulaiman MA, Abu Bakar NAAB, Yaacob S, Yahya F. The Application of Facial Expression Recognition in Reducing Inaccuracy in Pain Scale Intensity Identification. OIJI [Internet]. 2021 Dec. 21 [cited 2024 May 14];9(2):29-38. Available from: https://oiji.utm.my/index.php/oiji/article/view/157