Yazid, Irham. “PAPER REVIEW PENGENALAN CITRA DIGITAL DETEKSI EKSPRESI WAJAH SENANG”. Proceedings of the Informatics Conference 6, no. 11 (January 5, 2021): 1-13. Accessed May 8, 2024. https://ojs.journals.unisel.edu.my/index.php/icf/article/view/76.