Firdausy K, Achmad B. Automatic Frontal Face Pose Tracking for Face Recognition System. Int. J. Adv. Sci. Eng. Inf. Technol. [Internet]. 2011 Apr. 22 [cited 2024 Jun. 2];1(4):399-402. Available from: http://ijaseit.insightsociety.org/index.php/ijaseit/article/view/1