1.
Mohammed H, Nasser Hussain M, Al Alawy F. Feature Extraction Techniques for Facial Expression Recognition (FER). IJSER [Internet]. 2023 Sep. 1 [cited 2025 Oct. 29];2(3):32-40. Available from: https://ijser.aliraqia.edu.iq/index.php/ijser/article/view/85