Astuti, Dwi Lydia Zuharah, Samsuryadi Samsuryadi, and Dian Palupi Rini. “REAL-TIME CLASSIFICATION OF FACIAL EXPRESSIONS USING A PRINCIPAL COMPONENT ANALYSIS AND CONVOLUTIONAL NEURAL NETWORK”. SINERGI 23, no. 3 (October 9, 2019): 239–244. Accessed May 28, 2026. https://training-ojs3-publikasi.mercubuana.ac.id/index.php/sinergi/article/view/5869.