Fadillah AR, Sri Kusuma Aditya C. GFPGAN UPSCALING FOR HUMAN FACIAL EXPRESSION CLASSIFICATION USING VGG19 ARCHITECTURE. jitk [Internet]. 2025Aug.15 [cited 2026Mar.4];11(1):18-26. Available from: https://www.ejournal.nusamandiri.ac.id.103-80-238-135.cpanel.site/index.php/jitk/article/view/6558